http://www.transportdirect.info/

Plan a car route between the two places and you will get a route (modern) and a distance.

i.e. Coleford - > Caerphilly

Summary of directions Total distance 42.5 miles 68.3 km
Total duration 1 hrs 11 min
Distance units miles km
B4228; A4136; A466; A40; A449; A472; A4042; A467; A469; A468; B4600; B4263;