The average train between Portsmouth and Loch Lomond takes 9h 11m and the fastest train takes 7h 40m. There is a train service every few hours from Portsmouth to Loch Lomond. 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 Portsmouth and Loch Lomond. The earliest departure is at 5:17 AM in the morning, and the last departure from Portsmouth is at 10:37 PM which arrives into Loch Lomond at 12:02 PM. All services require a transfer at London Waterloo Station and take an average of 9h 11m. The schedules shown below are for the next available departures.




8h 40m • 4 changes
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14h 39m • 4 changes
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14h 40m • 4 changes
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11h 39m • 4 changes




7h 45m • 4 changes




8h 17m • 4 changes




8h 15m • 4 changes




8h 11m • 4 changes




7h 45m • 4 changes




8h 17m • 4 changes




8h 15m • 4 changes




8h 11m • 4 changes




7h 45m • 4 changes




8h 17m • 4 changes




8h 15m • 4 changes




8h 11m • 4 changes




7h 45m • 4 changes




8h 17m • 4 changes




8h 15m • 4 changes




8h 11m • 4 changes
Want to know about travelling from Portsmouth to Loch Lomond? 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 Portsmouth to Loch Lomond. However, there are services departing from Portsmouth station and arriving at Loch Lomond station via London Waterloo. The journey, including transfers, takes approximately 9h 11m.
Portsmouth to Loch Lomond train services, operated by South Western Railway, depart from Portsmouth & Southsea station.
Portsmouth to Loch Lomond train services, operated by South Western Railway, arrive at Glasgow Central station.
Book your Portsmouth to Loch Lomond train tickets online with South Western Railway, London Underground (Tube) and 3 other operators.
The distance between Portsmouth and Loch Lomond is 631.7 km. The road distance is 792 km.
You can take a train from Portsmouth & Southsea to Balloch via London Waterloo Station, Waterloo station, Euston station, London Euston, Glasgow Central, Glasgow Central Low Level, and Dalmuir in around 8h 6m.