The average train between Horsham and Harrow takes 2h 10m and the fastest train takes 1h 23m. There is a train service every few hours from Horsham 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 hourly between Horsham and Harrow. The earliest departure is at 5:15 AM in the morning, and the last departure from Horsham is at 10:20 PM which arrives into Harrow at 5:40 AM. All services require a transfer, and take on average 2h 10m. The schedules shown below are for the next available departures.

1h 25m • 1 change

1h 51m • 1 change

1h 53m • 1 change

1h 54m • 1 change

1h 56m • 1 change

1h 52m • 1 change

1h 52m • 1 change

1h 52m • 1 change

1h 56m • 1 change

1h 52m • 1 change

1h 52m • 1 change

1h 52m • 1 change

1h 53m • 1 change

1h 53m • 1 change

1h 53m • 1 change

1h 53m • 1 change
Want to know about travelling from Horsham 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 Horsham to Harrow. However, there are services departing from Horsham station and arriving at Harrow station via Clapham Junction. The journey, including transfers, takes approximately 2h 10m.
Horsham to Harrow train services, operated by Southern, depart from Horsham station.
Horsham to Harrow train services, operated by Southern, arrive at Harrow & Wealdstone station.
Book your Horsham to Harrow train tickets online with Southern.
The distance between Horsham and Harrow is 57.6 km. The road distance is 75 km.
You can take a train from Horsham to Harrow & Wealdstone via Clapham Junction in around 2h.