The average bus between Greenock and Portsmouth takes 15h 15m and the fastest bus takes 13h 45m. The bus service runs several times per day from Greenock 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 3 times a day between Greenock and Portsmouth. The earliest departure is at 7:20 AM in the morning, and the last departure from Greenock is at 9:00 PM which arrives into Portsmouth at 10:45 AM. All services require a transfer at Buchanan Bus Station and take an average of 15h 15m. The schedules shown below are for the next available departures.


15h • 2 changes
Arrives next day


16h 23m • 2 changes
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13h 55m • 2 changes


15h • 2 changes
Arrives next day


16h 23m • 2 changes
Arrives next day


13h 55m • 2 changes


15h • 2 changes
Arrives next day


16h 23m • 2 changes
Arrives next day


13h 55m • 2 changes


15h 30m • 2 changes
Arrives next day


16h 23m • 2 changes
Arrives next day


13h 45m • 2 changes
Want to know about travelling from Greenock 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 Greenock to Portsmouth. However, there are services departing from Greenock station and arriving at Portsmouth station via Buchanan Bus Station station. The journey, including transfers, takes approximately 15h 15m.
Greenock to Portsmouth bus services, operated by McGills Buses, depart from Stance 1 station.
Greenock to Portsmouth bus services, operated by McGills Buses, arrive at University of Portsmouth station.
The distance between Greenock and Portsmouth is 622 km. The road distance is 834 km.
You can take a bus from Stance 1 to University of Portsmouth via Buchanan Bus Station, London Victoria Coach Station Arrivals, and London Victoria in around 13h 58m.