The average bus between Greenford and Portsmouth takes 2h 54m and the fastest bus takes 2h 22m. The bus service runs several times per day from Greenford to Portsmouth. 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 Greenford and Portsmouth. The earliest departure is at 7:42 AM in the morning, and the last departure from Greenford is at 11:53 PM which arrives into Portsmouth at 2:15 AM. All services require a transfer, and take on average 2h 54m. The schedules shown below are for the next available departures.

2h 58m • 1 change

3h 14m • 1 change

3h 8m • 1 change

3h 10m • 1 change

2h 56m • 1 change

3h 10m • 1 change

3h 15m • 1 change

3h 4m • 1 change

2h 48m • 1 change

3h 4m • 1 change

2h 58m • 1 change

3h 17m • 1 change

2h 48m • 1 change

3h 3m • 1 change

3h 19m • 1 change

2h 59m • 1 change

2h 48m • 1 change

3h 3m • 1 change

3h 19m • 1 change

2h 59m • 1 change

2h 48m • 1 change

3h 3m • 1 change

3h 19m • 1 change

2h 59m • 1 change
Want to know about travelling from Greenford to Portsmouth? 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 Greenford to Portsmouth. However, there are services departing from Greenford station and arriving at Portsmouth station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 2h 54m.
Greenford to Portsmouth bus services, operated by First Bus London, depart from Oldfield Lane South station.
Greenford to Portsmouth bus services, operated by First Bus London, arrive at St Georges Square station.
The distance between Greenford and Portsmouth is 96 km. The road distance is 121 km.
You can take a bus from Oldfield Lane South to St Georges Square via Heathrow Central Bus Station in around 3h 42m.