The main Inter City line from Gloucester to Paddington has stations in Stroud and Stonehouse. Allow about 2 hours from London.
Cam & Dursley Station (unmanned) on the Gloucester/Bristol line has bus links to Cam, Dursley, Stonehouse and Stroud.
National Rail Enquiries - has information on train times and fares
The National Express website gives you information on coach times and destinations
With the M5 dividing the west of the District and the M4 to the south, driving times are thankfully short. Here are a few examples: London 2 hours, Manchester 2½ hours, Birmingham 1½ hours, Bath 1 hour, Stratford 1½ hours, Bristol 30 minutes.
Find us at Google Maps - more detailed information and route finding options