| Niagara Falls to Busto Arsizio | 4,112.49 mi (6,618.41 km) |
| Niagara Falls to Busto Garolfo | 4,116.28 mi (6,624.51 km) |
| Niagara Falls to Cabras | 4,315.06 mi (6,944.42 km) |
| Niagara Falls to Cadelbosco di Sopra | 4,215.68 mi (6,784.48 km) |
| Niagara Falls to Cadoneghe | 4,243.74 mi (6,829.63 km) |
| Niagara Falls to Cagli | 4,346.96 mi (6,995.76 km) |
| Niagara Falls to Cagliari | 4,368.18 mi (7,029.91 km) |
| Niagara Falls to Cairo Montenotte | 4,133.07 mi (6,651.53 km) |
| Niagara Falls to Caivano | 4,520.53 mi (7,275.09 km) |
| Niagara Falls to Calcinaia | 4,257.85 mi (6,852.35 km) |
| Niagara Falls to Calcinato | 4,181.96 mi (6,730.21 km) |
| Niagara Falls to Calderara di Reno | 4,250.61 mi (6,840.70 km) |
| Niagara Falls to Caldogno | 4,220.31 mi (6,791.93 km) |
| Niagara Falls to Calenzano | 4,273.52 mi (6,877.56 km) |
| Niagara Falls to Calolziocorte | 4,129.29 mi (6,645.45 km) |
