| Smyrna to Clacton-on-Sea | 4,251.37 mi (6,841.92 km) |
| Smyrna to Clay Cross | 4,119.31 mi (6,629.39 km) |
| Smyrna to Clayton | 4,091.17 mi (6,584.10 km) |
| Smyrna to Clayton le Moors | 4,068.95 mi (6,548.34 km) |
| Smyrna to Cleckheaton | 4,095.99 mi (6,591.86 km) |
| Smyrna to Cleethorpes | 4,165.91 mi (6,704.39 km) |
| Smyrna to Clevedon | 4,096.24 mi (6,592.26 km) |
| Smyrna to Clifton | 4,134.00 mi (6,653.03 km) |
| Smyrna to Clifton | 4,115.31 mi (6,622.95 km) |
| Smyrna to Cliftonville | 4,271.28 mi (6,873.97 km) |
| Smyrna to Clitheroe | 4,066.81 mi (6,544.90 km) |
| Smyrna to Clydebank | 3,953.99 mi (6,363.33 km) |
| Smyrna to Coalville | 4,130.07 mi (6,646.71 km) |
| Smyrna to Coatbridge | 3,968.68 mi (6,386.98 km) |
| Smyrna to Cobham | 4,198.85 mi (6,757.39 km) |
