The average train between Southwark and Harrow takes 35 min and the fastest train takes 32 min. The train runs at least 14 times per hour from Southwark to Harrow. 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 every 5 minutes between Southwark and Harrow. The earliest departure is at 3:16 AM at night, and the last departure from Southwark is at 8:25 AM which arrives into Harrow at 9:01 AM. All services require a transfer, and take on average 35 min. The schedules shown below are for the next available departures.

2h 27m • 1 change

38 min • 1 change

35 min • 1 change

37 min • 1 change
Want to know about travelling from Southwark to Harrow? 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 Southwark to Harrow. However, there are services departing from Southwark station and arriving at Harrow station via Finchley Road station station. The journey, including transfers, takes approximately 35 min.
Southwark to Harrow train services, operated by London Underground (Tube), depart from Southwark station.
Southwark to Harrow train services, operated by London Underground (Tube), arrive at Harrow-on-the-Hill station.
Book your Southwark to Harrow train tickets online with London Underground (Tube).
The distance between Southwark and Harrow is 18.4 km. The road distance is 21 km.
You can take a subway from Southwark station to Harrow-on-the-Hill station via Finchley Road station in around 30 min.