There are 4 ways to get from Aspen to Castle Rock by plane, tram, taxi, bus (Greyhound), car, or bus
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly, tram, taxi
best- Fly from Aspen–Pitkin County Airport (ASE) to Denver (DEN)plane ASE - DEN
- Take the tram from Nine Mile Station to Ridgegate Parkway Stationtram
- Take the taxi from Ridgegate Parkway Station to Castle Rocktaxi
4h 5m$83–338Drive 176.9 mi
cheapest- Drive from Aspen to Castle Rockcar 176.9 mi
4h 6m$33–47Bus via Glenwood Springs
- Take the bus from Paepcke Park to 27th St Stationbus Brt / ...
- Take the bus from Glenwood Springs to Denver Union Stationbus Greyhound US0550 / ...
6h 53m$72–111Bus
- Take the bus from Paepcke Park to West Glenwood Park & Ridebus Brt / ...
- Take the bus from West Glenwood Park & Ride to Union Stationbus West
7h 30m$72–93
Aspen–Pitkin County Airport (ASE) to Denver (DEN) flights
Questions & Answers
The cheapest way to get from Aspen to Castle Rock is to drive which costs $30 - $50 and takes 4h 6m.
The fastest way to get from Aspen to Castle Rock is to fly and tram and taxi which takes 4h 5m and costs $80 - $340.
No, there is no direct bus from Aspen to Castle Rock station. However, there are services departing from Paepcke Park and arriving at Denver Union Station via 27th St Station and Glenwood Springs. The journey, including transfers, takes approximately 6h 53m.
The distance between Aspen and Castle Rock is 175 miles. The road distance is 177.9 miles.
The best way to get from Aspen to Castle Rock without a car is to bus via Glenwood Springs which takes 6h 53m and costs $70 - $120.
It takes approximately 4h 5m to get from Aspen to Castle Rock, including transfers.
Aspen to Castle Rock bus services, operated by RFTA, depart from Paepcke Park station.
Aspen to Castle Rock bus services, operated by RFTA, arrive at 27th St Station.
Yes, the driving distance between Aspen to Castle Rock is 178 miles. It takes approximately 4h 6m to drive from Aspen to Castle Rock.
There are 79+ hotels available in Castle Rock.
What companies run services between Aspen, CO, USA and Castle Rock, CO, USA?
You can take a bus from Paepcke Park to Castle Rock via 27th St Station, Hwy 6 + Soccer Field Rd, Glenwood Springs, Denver Union Station, Union Station Light Rail Plaza, and Ridgegate Parkway Station in around 6h 53m.
- Website
- united.com
Flights from Aspen–Pitkin County Airport to Denver
- Ave. Duration
- 1h 16m
- When
- Every day
- Estimated price
- $35–280
- Phone
- +1 303-299-6000
- Website
- rtd-denver.com
Tram from Nine Mile Station to Ridgegate Parkway Station
- Ave. Duration
- 28 min
- Frequency
- Every 20 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
- Phone
- +1 970-925-8484
- [email protected]
- Website
- rfta.com
Bus from Paepcke Park to 27th St Station
- Ave. Duration
- 59 min
- Frequency
- Every 10 minutes
- Estimated price
- $4–5
- Schedules at
- rfta.com
Bus from Paepcke Park to West Glenwood Park & Ride
- Ave. Duration
- 1h 21m
- Frequency
- Every 15 minutes
- Estimated price
- $4–6
- Schedules at
- rfta.com
Rome2Rio's guide to Greyhound USA
Contact DetailsContact Details
- Phone
- +1 214-849-8100
- [email protected]
- Website
- greyhound.com
Bus from Glenwood Springs to Denver Union Station
- Ave. Duration
- 3h 10m
- Frequency
- Twice daily
- Estimated price
- $24–50
- Website
- https://www.greyhound.com/
- Phone
- +1 800-900-3011
- Website
- ridebustang.com
Bus from West Glenwood Park & Ride to Union Station
- Ave. Duration
- 4h
- Frequency
- Hourly
- Estimated price
- $24–35
- Website
- https://ridebustang.com
- Ave. Duration
- 13 min
- Estimated price
- $40–50
Green Taxi Cooperative
- Phone
- +1 303-806-8888
- Website
- greentaxicooperative.com
Metro Taxi
- Phone
- +1 303-333-3333
- Website
- metrotransportationdenver.com
Union Taxi
- Phone
- +1-303-922-2222
- Website
- uniontaxidenver.us
Want to know more about travelling around United States
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the US: What do I need to know?
Read the travel guide
Need to know: Greyhound
Read the travel guide








