The average train between Portsmouth Harbour and Milton Keynes takes 3h 1m and the fastest train takes 2h 28m. There is an hourly train service from Portsmouth Harbour to Milton Keynes. 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 Harbour and Milton Keynes. The earliest departure is at 4:30 AM at night, and the last departure from Portsmouth Harbour is at 10:33 PM which arrives into Milton Keynes at 6:38 AM. All services require a transfer at London Waterloo and take an average of 3h 1m. The schedules shown below are for the next available departures.


2h 52m • 2 changes


2h 40m • 2 changes


2h 51m • 2 changes


2h 40m • 2 changes


3h 20m • 2 changes


2h 59m • 2 changes


2h 40m • 2 changes


2h 42m • 2 changes


3h 20m • 2 changes


2h 59m • 2 changes


2h 40m • 2 changes


2h 42m • 2 changes
Want to know about travelling from Portsmouth Harbour to Milton Keynes? 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 Harbour to Milton Keynes. However, there are services departing from Portsmouth Harbour station and arriving at Milton Keynes station via London Waterloo. The journey, including transfers, takes approximately 3h 1m.
Portsmouth Harbour to Milton Keynes train services, operated by South Western Railway, depart from Portsmouth Harbour station.
Portsmouth Harbour to Milton Keynes train services, operated by South Western Railway, arrive at Milton Keynes Central station.
Book your Portsmouth Harbour to Milton Keynes train tickets online with South Western Railway, London Underground (Tube) and 2 other operators.
The distance between Portsmouth Harbour and Milton Keynes is 140.5 km. The road distance is 202 km.
You can take a vehicle from Portsmouth Harbour to Milton Keynes Central via Portsmouth Harbour, London Waterloo Station, Waterloo station, Euston station, and London Euston in around 2h 22m.