The average train between Loch Lomond and Portsmouth takes 8h 52m and the fastest train takes 7h 19m. There is a train service every few hours from Loch Lomond 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.
Trains run hourly between Loch Lomond and Portsmouth. The earliest departure is at 6:38 AM in the morning, and the last departure from Loch Lomond is at 11:08 PM which arrives into Portsmouth at 12:57 PM. All services require a transfer at Dalmuir and take an average of 8h 52m. The schedules shown below are for the next available departures.




8h 43m • 4 changes
Arrives next day




8h 54m • 4 changes
Arrives next day




14h 57m • 4 changes
Arrives next day




11h 24m • 4 changes




7h 19m • 4 changes




7h 19m • 4 changes




7h 49m • 4 changes




7h 38m • 4 changes




7h 19m • 4 changes




7h 19m • 4 changes




7h 49m • 4 changes




7h 38m • 4 changes




7h 19m • 4 changes




7h 19m • 4 changes




7h 49m • 4 changes




7h 38m • 4 changes
Want to know about travelling from Loch Lomond 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 train from Loch Lomond to Portsmouth. However, there are services departing from Loch Lomond station and arriving at Portsmouth station via London Euston. The journey, including transfers, takes approximately 8h 52m.
Loch Lomond to Portsmouth train services, operated by ScotRail, depart from Glasgow Central station.
Loch Lomond to Portsmouth train services, operated by ScotRail, arrive at Portsmouth & Southsea station.
Book your Loch Lomond to Portsmouth train tickets online with ScotRail, Avanti West Coast and 3 other operators.
The distance between Loch Lomond and Portsmouth is 631.7 km. The road distance is 793 km.
You can take a train from Balloch to Portsmouth & Southsea via Dalmuir, Glasgow Central Low Level, Glasgow Central, London Euston, Euston station, Waterloo Station, and London Waterloo in around 7h 58m.