| Niagara Falls to Clacton-on-Sea | 3,601.17 mi (5,795.53 km) |
| Niagara Falls to Clay Cross | 3,465.04 mi (5,576.44 km) |
| Niagara Falls to Clayton | 3,434.14 mi (5,526.71 km) |
| Niagara Falls to Clayton le Moors | 3,412.54 mi (5,491.94 km) |
| Niagara Falls to Cleckheaton | 3,439.15 mi (5,534.78 km) |
| Niagara Falls to Cleethorpes | 3,508.15 mi (5,645.82 km) |
| Niagara Falls to Clevedon | 3,453.14 mi (5,557.29 km) |
| Niagara Falls to Clifton | 3,480.82 mi (5,601.84 km) |
| Niagara Falls to Clifton | 3,456.59 mi (5,562.84 km) |
| Niagara Falls to Cliftonville | 3,622.85 mi (5,830.42 km) |
| Niagara Falls to Clitheroe | 3,409.91 mi (5,487.72 km) |
| Niagara Falls to Clydebank | 3,288.68 mi (5,292.63 km) |
| Niagara Falls to Coalville | 3,478.06 mi (5,597.40 km) |
| Niagara Falls to Coatbridge | 3,303.27 mi (5,316.11 km) |
| Niagara Falls to Cobham | 3,553.16 mi (5,718.26 km) |
