Is Watford in London?

It is in Hertfordshire, but it is part of the London commuter belt.

How long is the train?

About 3.25 hours including transfers.

What is the best road?

The M1 is the primary motorway route.

Is parking expensive?

It is moderate; check council websites for rates.

Harleston

Watford

Train Driving

Harleston to Watford

Updated: 28 May 2026

Watford is a major town in Hertfordshire, located about 180 kilometers from Harleston. Driving via the A14 and M1 typically takes 2 hours and 45 minutes. By train, you travel from Diss to London Liverpool Street, then take the Underground to London Euston, and finally a direct train to Watford Junction. This route connects the rural East to the busy London commuter belt. Watford is known for its shopping and proximity to the Warner Bros. Studio Tour. Be prepared for heavy traffic on the M1.

Total Distance: 180 km driving distance; 155 km straight-line air distance.

Fastest Way

Driving is the fastest option, provided the M1 is clear.

Cheapest Way

Driving is the most cost-effective for this distance.

Compare Harleston to Watford Routes

	Train Connecting	Driving Direct
Duration	3 hours 15 mins	2 hours 45 mins
Avg Price	55-90 GBP	35-50 GBP
Operator	Greater Anglia / Avanti West Coast	Personal Vehicle
Route	Diss Station to London Liverpool Street, then to London Euston, then to Watford Junction.	A14, M11, and M1
Tip	Avanti West Coast offers fast services from Euston to Watford.	The M1 is the most direct route; watch for speed cameras.

Travel Tips

Studio Tour Booking
Book your Harry Potter studio tour tickets months in advance.
Traffic
Check the M1 traffic status before leaving Harleston.
Parking
Watford has several large car parks; use the ones near the shopping center.
Train Tickets
Buy a 'Travelcard' if you plan to use London transport during your transfer.
Local Buses
Watford has an extensive bus network for getting around the town.