There are 8 ways to get from Castle Rock to Larkspur by plane, bus, bus (Greyhound), train (Amtrak), car, or train
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly to Oakland International Airport, bus
best- Fly from Denver (DEN) to Oakland International Airport (OAK)plane DEN - OAK
- Take the bus from Oakland International Airport to San Rafaelbus
7h 11m$152–539Fly to Sonoma County Airport, bus
cheapest- Fly from Denver (DEN) to Sonoma County Airport (STS)plane DEN - STS
- Take the bus from Sonoma Co Airport Terminal to San Rafaelbus
8h 6m$132–449Bus (Greyhound)
- Take the bus from Denver Union Station to Sparks Transit Centerbus Greyhound US0560S
- Take the bus from Sparks Transit Center to San Francisco Bus Stationbus Greyhound US0870
32h 27m$273–411Train (Amtrak)
- Take the train from Denver to Richmondtrain California Zephyr
35h 28m$835–1,302Drive 1,225.1 mi
- Drive from Castle Rock to Larkspurcar 1,225.1 mi
20h 51m$224–323Fly to San Francisco International Airport, bus
- Fly from Denver (DEN) to San Francisco International Airport (SFO)plane DEN - SFO
- Take the bus from San Francisco Airport to Mill Valley P&R - dropoffbus
7h 40m$154–451Fly to Norman Y. Mineta San José International Airport, bus
- Fly from Denver (DEN) to Norman Y. Mineta San José International Airport (SJC)plane DEN - SJC
- Take the bus from San Francisco Airport to Mill Valley P&R - dropoffbus
9h 23m$289–726Fly to Sacramento International Airport, train
- Fly from Denver (DEN) to Sacramento International Airport (SMF)plane DEN - SMF
- Take the train from Sacramento to Richmondtrain
9h 33m$211–549
Denver (DEN) to Oakland International Airport (OAK) flights
Comparing Your Travel Options
The cheapest way to get from Castle Rock to Larkspur is to fly and bus which costs $150 - $460 and takes 7h 40m.
The fastest way to get from Castle Rock to Larkspur is to fly and bus which takes 7h 11m and costs $150 - $550.
No, there is no direct bus from Castle Rock station to Larkspur. However, there are services departing from Sky Ridge Station and arriving at Magnolia Av & Madrone Av via Denver Union Station, Sparks Transit Center, Salesforce Transit Center-Bus Plaza Bay A and Marin City Hub-Donahue & Terners. The journey, including transfers, takes approximately 32h 27m.
No, there is no direct train from Castle Rock station to Larkspur. However, there are services departing from Ridgegate Parkway Station and arriving at Richmond via Denver. The journey, including transfers, takes approximately 35h 28m.
The distance between Castle Rock and Larkspur is 1039 miles. The road distance is 1232.2 miles.
The best way to get from Castle Rock to Larkspur without a car is to bus which takes 32h 27m and costs $270 - $420.
It takes approximately 7h 11m to get from Castle Rock to Larkspur, including transfers.
Castle Rock to Larkspur bus services, operated by Greyhound USA, depart from Denver Union Station.
Castle Rock to Larkspur train services, operated by Amtrak, depart from Denver station.
The best way to get from Castle Rock to Larkspur is to bus which takes 32h 27m and costs $270 - $420. Alternatively, you can train, which costs $800 - $1,300 and takes 35h 28m.
What companies run services between Castle Rock, CO, USA and Larkspur, CA, USA?
You can take a vehicle from Castle Rock to Magnolia Av & Madrone Av via Sky Ridge Station, Denver Union Station, Sparks Transit Center, San Francisco Bus Station, Salesforce Transit Center-Bus Plaza Bay A, and Marin City Hub-Donahue & Terners in around 32h 27m. Alternatively, Amtrak operates a train from Denver to Richmond once daily. Tickets cost $750–1,200 and the journey takes 33h 1m.
- Website
- southwest.com
Flights from Denver to Oakland International Airport
- Ave. Duration
- 2h 38m
- When
- Every day
- Estimated price
- $85–430
Flights from Denver to Oakland International Airport via Las Vegas
- Ave. Duration
- 4h 24m
- When
- Tuesday to Saturday
- Estimated price
- $85–440
Flights from Denver to Oakland International Airport via Ontario/San Bernardino
- Ave. Duration
- 4h 30m
- When
- Monday, Thursday, and Friday
- Estimated price
- $95–470
Flights from Denver to San Francisco International Airport
- Ave. Duration
- 2h 42m
- When
- Every day
- Estimated price
- $60–310
Flights from Denver to Sonoma County Airport
- Ave. Duration
- 2h 45m
- When
- Saturday, Monday, Thursday, Friday, and Sunday
- Estimated price
- $65–340
Flights from Denver to Sonoma County Airport via Las Vegas
- Ave. Duration
- 5h 13m
- When
- Every day
- Estimated price
- $70–350
Flights from Denver to Sonoma County Airport via Burbank
- Ave. Duration
- 5h 10m
- When
- Tuesday and Wednesday
- Estimated price
- $75–370
Flights from Denver to Norman Y. Mineta San José International Airport
- Ave. Duration
- 2h 39m
- When
- Every day
- Estimated price
- $85–450
Flights from Denver to Norman Y. Mineta San José International Airport via Las Vegas
- Ave. Duration
- 4h 27m
- When
- Every day
- Estimated price
- $90–460
Flights from Denver to Sacramento International Airport
- Ave. Duration
- 2h 32m
- When
- Every day
- Estimated price
- $90–460
Flights from Denver to Sacramento International Airport via Las Vegas
- Ave. Duration
- 4h 20m
- When
- Monday and Sunday
- Estimated price
- $95–490
- Website
- united.com
Flights from Denver to San Francisco International Airport
- Ave. Duration
- 2h 49m
- When
- Every day
- Estimated price
- $60–310
Flights from Denver to Norman Y. Mineta San José International Airport
- Ave. Duration
- 2h 44m
- When
- Every day
- Estimated price
- $85–450
Flights from Denver to Sacramento International Airport
- Ave. Duration
- 2h 43m
- When
- Every day
- Estimated price
- $90–460
- Website
- delta.com
Flights from Denver to Oakland International Airport via Salt Lake City
- Ave. Duration
- 4h 25m
- When
- Every day
- Estimated price
- $85–430
Flights from Denver to Sonoma County Airport via Salt Lake City
- Ave. Duration
- 6h 18m
- When
- Every day
- Estimated price
- $65–340
Flights from Denver to Norman Y. Mineta San José International Airport via Salt Lake City
- Ave. Duration
- 4h 23m
- When
- Every day
- Estimated price
- $90–450
Flights from Denver to Sacramento International Airport via Salt Lake City
- Ave. Duration
- 4h 13m
- When
- Every day
- Estimated price
- $90–470
- Website
- flyfrontier.com
Flights from Denver to San Francisco International Airport
- Ave. Duration
- 2h 46m
- When
- Every day
- Estimated price
- $80–290
Flights from Denver to Sacramento International Airport
- Ave. Duration
- 2h 38m
- When
- Every day
- Estimated price
- $120–410
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Denver to Richmond
- Ave. Duration
- 33h 1m
- Frequency
- Once daily
- Estimated price
- $750–1,200
- Website
- Amtrak
Train from Sacramento to Richmond
- Ave. Duration
- 1h 26m
- Frequency
- Hourly
- Estimated price
- $40–70
- Website
- Amtrak
- Phone
- +1 707-837-8700
- Website
- Groome Transportation
Bus from Oakland International Airport to San Rafael
- Ave. Duration
- 45 min
- Frequency
- Every 3 hours
- Estimated price
- $25–55
- Website
- Groome Transportation
- First Passenger
- $25–55
Bus from Sonoma Co Airport Terminal to San Rafael
- Ave. Duration
- 1h 30m
- Frequency
- Every 3 hours
- Estimated price
- $25–55
- Website
- Groome Transportation
- First Passenger
- $25–55
Rome2Rio's guide to Greyhound USA
Contact DetailsContact Details
- Phone
- +1 214-849-8100
- [email protected]
- Website
- Greyhound
Bus from Denver Union Station to Sparks Transit Center
- Ave. Duration
- 20h 45m
- Frequency
- Once daily
- Estimated price
- $180–280
- Website
- Greyhound
Bus from Sparks Transit Center to San Francisco Bus Station
- Ave. Duration
- 6h 10m
- Frequency
- Twice daily
- Estimated price
- $40–65
- Website
- Greyhound
- Phone
- +1 415-461-4222
- Website
- Marin Airporter
Bus from San Francisco Airport to Mill Valley P&R - dropoff
- Ave. Duration
- 55 min
- Frequency
- Hourly
- Estimated price
- $32
- Website
- Marin Airporter
- Adult One-way
- $32
Bus from San Francisco Airport to Mill Valley P&R - dropoff
- Ave. Duration
- 55 min
- Frequency
- Hourly
- Estimated price
- $32
- Website
- Marin Airporter
- Adult One-way
- $32
Want to know more about travelling around United States
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Booking & Getting There
Castle Rock to Larkspur bus services, operated by Greyhound USA, arrive at Sparks Transit Center station.
Larkspur is 1h behind Castle Rock. It is currently 6:27 AM in Castle Rock and 5:27 AM in Larkspur.
Castle Rock to Larkspur train services, operated by Amtrak, arrive at Richmond station.
Yes, the driving distance between Castle Rock to Larkspur is 1232 miles. It takes approximately 20h 51m to drive from Castle Rock to Larkspur.
There are 314+ hotels available in Larkspur.












