| Niagara Falls to Celano | 4,443.07 mi (7,150.43 km) |
| Niagara Falls to Cento | 4,244.89 mi (6,831.49 km) |
| Niagara Falls to Cepagatti | 4,452.76 mi (7,166.02 km) |
| Niagara Falls to Ceprano | 4,463.17 mi (7,182.78 km) |
| Niagara Falls to Cercola | 4,526.06 mi (7,284.00 km) |
| Niagara Falls to Cerea | 4,224.32 mi (6,798.38 km) |
| Niagara Falls to Cerese | 4,211.04 mi (6,777.01 km) |
| Niagara Falls to Cerignola | 4,573.86 mi (7,360.92 km) |
| Niagara Falls to Cermenate | 4,118.71 mi (6,628.43 km) |
| Niagara Falls to Cernusco sul Naviglio | 4,135.70 mi (6,655.76 km) |
| Niagara Falls to Cerreto Guidi | 4,265.68 mi (6,864.94 km) |
| Niagara Falls to Cerro Maggiore | 4,116.95 mi (6,625.59 km) |
| Niagara Falls to Certaldo | 4,280.68 mi (6,889.09 km) |
| Niagara Falls to Cerveteri | 4,385.76 mi (7,058.20 km) |
| Niagara Falls to Cervia | 4,307.04 mi (6,931.52 km) |
