The average train between Croydon and Harrow takes 1h and the fastest train takes 56 min. The train runs at least 6 times per hour from Croydon 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 10 minutes between Croydon and Harrow. The earliest departure is at 6:15 AM in the morning, and the last departure from Croydon is at 12:01 PM which arrives into Harrow at 12:59 PM. All services require a transfer at Farringdon and take an average of 1h. The schedules shown below are for the next available departures.

1h 1m • 1 change

1h 3m • 1 change

1h • 1 change

1h 2m • 1 change
Want to know about travelling from Croydon 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 Croydon to Harrow. However, there are services departing from Croydon station and arriving at Harrow station via Farringdon. The journey, including transfers, takes approximately 1h.
Croydon to Harrow train services, operated by Thameslink, depart from East Croydon station.
Croydon to Harrow train services, operated by Thameslink, arrive at Harrow-on-the-Hill station.
Book your Croydon to Harrow train tickets online with Thameslink and London Underground (Tube).
The distance between Croydon and Harrow is 27.5 km. The road distance is 38 km.
Southern operates a train from Selhurst to Harrow & Wealdstone hourly. Tickets cost £9–19 and the journey takes 57 min.