| Niagara Falls to Corato | 4,599.40 mi (7,402.01 km) |
| Niagara Falls to Corbetta | 4,120.49 mi (6,631.30 km) |
| Niagara Falls to Corciano | 4,348.34 mi (6,997.97 km) |
| Niagara Falls to Cordenons | 4,253.95 mi (6,846.08 km) |
| Niagara Falls to Cori | 4,434.08 mi (7,135.97 km) |
| Niagara Falls to Coriano | 4,328.47 mi (6,966.00 km) |
| Niagara Falls to Corigliano Calabro | 4,670.01 mi (7,515.65 km) |
| Niagara Falls to Corleone | 4,608.38 mi (7,416.47 km) |
| Niagara Falls to Cormano | 4,127.65 mi (6,642.82 km) |
| Niagara Falls to Cornaredo | 4,124.04 mi (6,637.01 km) |
| Niagara Falls to Cornate d'Adda | 4,136.20 mi (6,656.58 km) |
| Niagara Falls to Cornedo Vicentino | 4,213.85 mi (6,781.53 km) |
| Niagara Falls to Correggio | 4,223.00 mi (6,796.26 km) |
| Niagara Falls to Corridonia | 4,394.46 mi (7,072.20 km) |
| Niagara Falls to Corsico | 4,129.92 mi (6,646.47 km) |
