| Niagara Falls to Carpentras | 4,010.17 mi (6,453.74 km) |
| Niagara Falls to Carquefou | 3,625.92 mi (5,835.35 km) |
| Niagara Falls to Carqueiranne | 4,088.64 mi (6,580.03 km) |
| Niagara Falls to Carrieres-sous-Poissy | 3,721.30 mi (5,988.86 km) |
| Niagara Falls to Carrieres-sur-Seine | 3,732.60 mi (6,007.04 km) |
| Niagara Falls to Carros | 4,111.27 mi (6,616.45 km) |
| Niagara Falls to Carvin | 3,710.50 mi (5,971.47 km) |
| Niagara Falls to Castanet-Tolosan | 3,876.41 mi (6,238.47 km) |
| Niagara Falls to Castelginest | 3,867.47 mi (6,224.09 km) |
| Niagara Falls to Castelnau-le-Lez | 3,976.05 mi (6,398.84 km) |
| Niagara Falls to Castelnaudary | 3,903.04 mi (6,281.33 km) |
| Niagara Falls to Castelsarrasin | 3,841.56 mi (6,182.39 km) |
| Niagara Falls to Castres | 3,906.12 mi (6,286.29 km) |
| Niagara Falls to Caudebec-les-Elbeuf | 3,669.86 mi (5,906.06 km) |
| Niagara Falls to Caudry | 3,739.75 mi (6,018.55 km) |
