| Niagara Falls to Cassina de' Pecchi | 4,137.06 mi (6,657.96 km) |
| Niagara Falls to Cassino | 4,478.43 mi (7,207.33 km) |
| Niagara Falls to Castagneto Carducci | 4,277.12 mi (6,883.37 km) |
| Niagara Falls to Castano Primo | 4,111.28 mi (6,616.47 km) |
| Niagara Falls to Castel Bolognese | 4,282.08 mi (6,891.34 km) |
| Niagara Falls to Castel Gandolfo | 4,419.03 mi (7,111.74 km) |
| Niagara Falls to Castel Goffredo | 4,190.44 mi (6,743.86 km) |
| Niagara Falls to Castel Maggiore | 4,254.70 mi (6,847.28 km) |
| Niagara Falls to Castel Mella | 4,169.62 mi (6,710.36 km) |
| Niagara Falls to Castel San Giorgio | 4,544.16 mi (7,313.12 km) |
| Niagara Falls to Castel San Giovanni | 4,157.15 mi (6,690.29 km) |
| Niagara Falls to Castel San Pietro Terme | 4,269.99 mi (6,871.88 km) |
| Niagara Falls to Castel Volturno | 4,500.36 mi (7,242.64 km) |
| Niagara Falls to Castelbuono | 4,638.06 mi (7,464.24 km) |
| Niagara Falls to Casteldaccia | 4,608.68 mi (7,416.96 km) |
