The average bus between Portsmouth and Great Dunmow takes 5h 26m and the fastest bus takes 3h 52m. The bus service runs several times per day from Portsmouth to Great Dunmow. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 4 hours between Portsmouth and Great Dunmow. The earliest departure is at 3:20 AM at night, and the last departure from Portsmouth is at 8:10 PM which arrives into Great Dunmow at 3:04 AM. All services require a transfer at Heathrow Central Bus Station and take an average of 5h 26m. The schedules shown below are for the next available departures.


3h 52m • 2 changes


4h 35m • 2 changes


4h 10m • 2 changes


6h 29m • 2 changes


6h 7m • 2 changes


4h 52m • 2 changes


4h 26m • 2 changes


4h 6m • 2 changes


6h 7m • 2 changes


4h 56m • 2 changes


4h 15m • 2 changes


3h 55m • 2 changes


3h 52m • 2 changes


4h 35m • 2 changes


4h 10m • 2 changes


6h 29m • 2 changes


3h 52m • 2 changes


5h 40m • 2 changes


7h 24m • 2 changes


5h 9m • 2 changes
Want to know about travelling from Portsmouth to Great Dunmow? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Portsmouth to Great Dunmow. However, there are services departing from Portsmouth station and arriving at Great Dunmow station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 5h 26m.
Portsmouth to Great Dunmow bus services, operated by National Express, depart from The Hard Interchange station.
Portsmouth to Great Dunmow bus services, operated by National Express, arrive at Coach Station.
The distance between Portsmouth and Great Dunmow is 156.4 km. The road distance is 206 km.
You can take a bus from The Hard Interchange to High Street via Heathrow Central Bus Station and Coach Station in around 4h 18m.