Official website for tourism in Brittany
By car
Distances
Great Britain
London-Paris : 402 km
London-Rennes : 753 km
Eire
Dublin-Paris : 887 km
Dublin-Rennes : 1239 km
If you are coming from Great Britain, you can use the Eurotunnel. Eurotunnel's car carrying service runs via the Channel Tunnel from Folkestone to Calais/Coquelles. Taking as little as 35 minutes platform to platform, it is a fast and exciting way to France and beyond. The service is frequent and operates round the clock, 24 hours a day, 365 days a year.
http://www.eurotunnel.com or phone 08705 35 35 35.
A network of toll-free expressways
Only 3 hours from Paris, Brittany has the advantage of a good motorway network which is entirely toll-free. From Rennes a system of free expressways links all Breton towns.