The average bus between Romsey and Portsmouth takes 2h 54m and the fastest bus takes 2h 20m. There is a bus service every few hours from Romsey 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 hourly between Romsey and Portsmouth. The earliest departure is at 6:50 AM in the morning, and the last departure from Romsey is at 6:25 PM which arrives into Portsmouth at 9:11 PM. All services require a transfer, and take on average 2h 54m. The schedules shown below are for the next available departures.

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3h 3m • 1 changeWant to know about travelling from Romsey 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 Romsey to Portsmouth. However, there are services departing from Romsey station and arriving at Portsmouth station via Central Station station. The journey, including transfers, takes approximately 2h 54m.
Romsey to Portsmouth bus services, operated by Bluestar, depart from Bus Station.
Romsey to Portsmouth bus services, operated by Bluestar, arrive at Victoria Park station.
The distance between Romsey and Portsmouth is 35.6 km. The road distance is 55 km.
You can take a bus from Bus Station to Victoria Park via Central Station in around 2h 42m.