| Niagara Falls to Cockermouth | 3,354.49 mi (5,398.54 km) |
| Niagara Falls to Colchester | 3,588.90 mi (5,775.77 km) |
| Niagara Falls to Coleford | 3,453.40 mi (5,557.71 km) |
| Niagara Falls to Colne | 3,418.53 mi (5,501.59 km) |
| Niagara Falls to Colwyn Bay | 3,373.58 mi (5,429.25 km) |
| Niagara Falls to Congleton | 3,434.08 mi (5,526.62 km) |
| Niagara Falls to Conisbrough | 3,464.13 mi (5,574.97 km) |
| Niagara Falls to Connahs Quay | 3,400.22 mi (5,472.13 km) |
| Niagara Falls to Consett | 3,407.61 mi (5,484.01 km) |
| Niagara Falls to Conwy | 3,368.77 mi (5,421.52 km) |
| Niagara Falls to Cookstown | 3,226.35 mi (5,192.30 km) |
| Niagara Falls to Corby | 3,510.19 mi (5,649.10 km) |
| Niagara Falls to Corfe Mullen | 3,504.42 mi (5,639.82 km) |
| Niagara Falls to Corsham | 3,479.89 mi (5,600.33 km) |
| Niagara Falls to Coseley | 3,454.78 mi (5,559.94 km) |
