| Seymour to Clacton-on-Sea | 4,059.07 mi (6,532.44 km) |
| Seymour to Clay Cross | 3,922.56 mi (6,312.74 km) |
| Seymour to Clayton | 3,891.30 mi (6,262.45 km) |
| Seymour to Clayton le Moors | 3,869.80 mi (6,227.84 km) |
| Seymour to Cleckheaton | 3,896.35 mi (6,270.56 km) |
| Seymour to Cleethorpes | 3,965.17 mi (6,381.33 km) |
| Seymour to Clevedon | 3,911.53 mi (6,295.00 km) |
| Seymour to Clifton | 3,938.46 mi (6,338.33 km) |
| Seymour to Clifton | 3,913.49 mi (6,298.15 km) |
| Seymour to Cliftonville | 4,080.89 mi (6,567.56 km) |
| Seymour to Clitheroe | 3,867.11 mi (6,223.51 km) |
| Seymour to Clydebank | 3,744.43 mi (6,026.08 km) |
| Seymour to Coalville | 3,935.83 mi (6,334.10 km) |
| Seymour to Coatbridge | 3,758.99 mi (6,049.51 km) |
| Seymour to Cobham | 4,011.40 mi (6,455.73 km) |
