The average bus between Portsmouth and Greenock takes 15h 13m and the fastest bus takes 12h 40m. The bus service runs several times per day from Portsmouth to Greenock. 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 5 times a day between Portsmouth and Greenock. The earliest departure is at 3:20 AM at night, and the last departure from Portsmouth is at 8:10 PM which arrives into Greenock at 8:52 AM. All services require a transfer at London Victoria Coach Station Arrivals and take an average of 15h 13m. The schedules shown below are for the next available departures.


16h 18m • 2 changes


15h 3m • 2 changes
Arrives next day


13h 23m • 2 changes
Arrives next day


12h 42m • 2 changes


17h 33m • 2 changes


16h 18m • 2 changes


15h 3m • 2 changes
Arrives next day


13h 23m • 2 changes


17h 33m • 2 changes


16h 18m • 2 changes


15h 3m • 2 changes
Arrives next day


13h 23m • 2 changes


17h 33m • 2 changes


16h 24m • 2 changes


15h 33m • 2 changes


15h 33m • 2 changes


17h 33m • 2 changes


15h 48m • 2 changes


15h 13m • 2 changes


15h 23m • 2 changes
Want to know about travelling from Portsmouth to Greenock? 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 Greenock. However, there are services departing from Portsmouth station and arriving at Greenock station via London Victoria Coach Station Arrivals station. The journey, including transfers, takes approximately 15h 13m.
Portsmouth to Greenock bus services, operated by National Express, depart from The Hard Interchange station.
Portsmouth to Greenock bus services, operated by National Express, arrive at West Stewart Street station.
Book your Portsmouth to Greenock bus tickets online with National Express, McGills Buses and FlixBus.
The distance between Portsmouth and Greenock is 622 km. The road distance is 840 km.
You can take a bus from The Hard Interchange to West Stewart Street via London Victoria Coach Station Arrivals, London Victoria, and Buchanan Bus Station in around 13h 38m.