The average train between Harrow and Horsham takes 1h 53m and the fastest train takes 1h 22m. There is a train service every few hours from Harrow to Horsham. 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 Harrow and Horsham. The earliest departure is at 6:01 AM in the morning, and the last departure from Harrow is at 11:48 PM which arrives into Horsham at 6:52 AM. All services require a transfer, and take on average 1h 53m. The schedules shown below are for the next available departures.

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Want to know about travelling from Harrow to Horsham? 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 Harrow to Horsham. However, there are services departing from Harrow station and arriving at Horsham station via Clapham Junction. The journey, including transfers, takes approximately 1h 53m.
Harrow to Horsham train services, operated by Southern, depart from Harrow & Wealdstone station.
Harrow to Horsham train services, operated by Southern, arrive at Horsham station.
Book your Harrow to Horsham train tickets online with Southern.
The distance between Harrow and Horsham is 57.6 km. The road distance is 75 km.
You can take a train from Harrow & Wealdstone to Horsham via Clapham Junction in around 1h 39m.