The average train between Slough and Gloucester takes 1h 51m and the fastest train takes 1h 37m. There is a train service every few hours from Slough to Gloucester. 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 Slough and Gloucester. The earliest departure is at 6:17 AM in the morning, and the last departure from Slough is at 9:24 PM which arrives into Gloucester at 11:15 PM. All services require a transfer, and take on average 1h 51m. The schedules shown below are for the next available departures.

2h 1m • 1 change

1h 50m • 1 change

1h 49m • 1 change

1h 49m • 1 change

2h 1m • 1 change

1h 50m • 1 change

1h 49m • 1 change

1h 49m • 1 change

2h 1m • 1 change

1h 50m • 1 change

1h 49m • 1 change

1h 49m • 1 change
Want to know about travelling from Slough to Gloucester? 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 Slough to Gloucester. However, there are services departing from Slough station and arriving at Gloucester station via Reading. The journey, including transfers, takes approximately 1h 51m.
Slough to Gloucester train services, operated by Great Western Railway (GWR), depart from Slough station.
Slough to Gloucester train services, operated by Great Western Railway (GWR), arrive at Gloucester station.
Book your Slough to Gloucester train tickets online with Great Western Railway (GWR) and Elizabeth Line (TfL).
The distance between Slough and Gloucester is 120.3 km. The road distance is 153 km.
You can take a train from Slough to Gloucester via Reading in around 2h 30m.