Multi-stage (UK) mileage calculator

For more information on this - and to fork the project find me on GitHub.

Paste your Postal code data here:
e.g.
OL8 3QL to OX29 4SZ to BR4 0ER to OL8 3QL
OL8 3QL to OX294SZ to OL83QL

Fastest Route Shortest Route