| Niagara Falls to Castelletto sopra Ticino | 4,099.71 mi (6,597.84 km) |
| Niagara Falls to Castelli Calepio | 4,154.47 mi (6,685.97 km) |
| Niagara Falls to Castelnovo ne' Monti | 4,220.16 mi (6,791.69 km) |
| Niagara Falls to Castelnuovo Berardenga | 4,307.68 mi (6,932.55 km) |
| Niagara Falls to Castelnuovo di Porto | 4,397.15 mi (7,076.54 km) |
| Niagara Falls to Castelnuovo di Verona | 4,197.19 mi (6,754.73 km) |
| Niagara Falls to Castelnuovo Rangone | 4,237.60 mi (6,819.76 km) |
| Niagara Falls to Castelvetrano | 4,591.94 mi (7,390.01 km) |
| Niagara Falls to Castelvetro di Modena | 4,240.20 mi (6,823.95 km) |
| Niagara Falls to Castenaso | 4,261.14 mi (6,857.65 km) |
| Niagara Falls to Castenedolo | 4,176.70 mi (6,721.75 km) |
| Niagara Falls to Castiglion Fiorentino | 4,324.97 mi (6,960.37 km) |
| Niagara Falls to Castiglione del Lago | 4,338.39 mi (6,981.96 km) |
| Niagara Falls to Castiglione delle Stiviere | 4,187.62 mi (6,739.32 km) |
| Niagara Falls to Castrolibero | 4,668.81 mi (7,513.72 km) |
