Distance from Seaham to Letchworth Garden City

The distance from Seaham to Letchworth Garden City is 389 km (or 242 mi). The estimated driving time for the trip is 4h 2min and the main road for this route is the Doncaster Bypass, A1(M). In a straight line, the distance between Seaham and Letchworth Garden City is 348 km (217 mi).