| Niagara Falls to Carmignano | 4,269.26 mi (6,870.71 km) |
| Niagara Falls to Carovigno | 4,670.66 mi (7,516.70 km) |
| Niagara Falls to Carpenedolo | 4,186.17 mi (6,736.98 km) |
| Niagara Falls to Carpi | 4,226.64 mi (6,802.11 km) |
| Niagara Falls to Carrara | 4,221.27 mi (6,793.47 km) |
| Niagara Falls to Carugate | 4,134.46 mi (6,653.78 km) |
| Niagara Falls to Casal di Principe | 4,510.80 mi (7,259.44 km) |
| Niagara Falls to Casale Monferrato | 4,113.89 mi (6,620.67 km) |
| Niagara Falls to Casale sul Sile | 4,254.06 mi (6,846.24 km) |
| Niagara Falls to Casalecchio di Reno | 4,254.50 mi (6,846.95 km) |
| Niagara Falls to Casalgrande | 4,228.13 mi (6,804.52 km) |
| Niagara Falls to Casalmaggiore | 4,199.78 mi (6,758.90 km) |
| Niagara Falls to Casalnuovo di Napoli | 4,524.00 mi (7,280.67 km) |
| Niagara Falls to Casalpusterlengo | 4,161.27 mi (6,696.91 km) |
| Niagara Falls to Casaluce | 4,514.28 mi (7,265.03 km) |
