| Niagara Falls to Cabestany | 3,968.45 mi (6,386.61 km) |
| Niagara Falls to Cabries | 4,046.37 mi (6,512.00 km) |
| Niagara Falls to Cachan | 3,738.06 mi (6,015.83 km) |
| Niagara Falls to Caen | 3,616.26 mi (5,819.81 km) |
| Niagara Falls to Cagnes-sur-Mer | 4,113.39 mi (6,619.85 km) |
| Niagara Falls to Cahors | 3,842.20 mi (6,183.42 km) |
| Niagara Falls to Calais | 3,653.44 mi (5,879.64 km) |
| Niagara Falls to Caluire-et-Cuire | 3,940.50 mi (6,341.63 km) |
| Niagara Falls to Cambrai | 3,731.18 mi (6,004.75 km) |
| Niagara Falls to Canet-en-Roussillon | 3,970.37 mi (6,389.70 km) |
| Niagara Falls to Cannes | 4,111.80 mi (6,617.31 km) |
| Niagara Falls to Canteleu | 3,665.33 mi (5,898.77 km) |
| Niagara Falls to Capbreton | 3,744.02 mi (6,025.42 km) |
| Niagara Falls to Carcassonne | 3,924.02 mi (6,315.10 km) |
| Niagara Falls to Carmaux | 3,886.66 mi (6,254.97 km) |
