| Williamstown to Corato | 4,562.15 mi (7,342.07 km) |
| Williamstown to Corbetta | 4,087.69 mi (6,578.50 km) |
| Williamstown to Corciano | 4,310.80 mi (6,937.56 km) |
| Williamstown to Cordenons | 4,232.37 mi (6,811.34 km) |
| Williamstown to Cori | 4,390.45 mi (7,065.75 km) |
| Williamstown to Coriano | 4,296.02 mi (6,913.77 km) |
| Williamstown to Corigliano Calabro | 4,625.58 mi (7,444.15 km) |
| Williamstown to Corleone | 4,546.83 mi (7,317.41 km) |
| Williamstown to Cormano | 4,095.86 mi (6,591.64 km) |
| Williamstown to Cornaredo | 4,091.67 mi (6,584.91 km) |
| Williamstown to Cornate d'Adda | 4,105.61 mi (6,607.35 km) |
| Williamstown to Cornedo Vicentino | 4,187.26 mi (6,738.74 km) |
| Williamstown to Correggio | 4,190.58 mi (6,744.08 km) |
| Williamstown to Corridonia | 4,360.49 mi (7,017.54 km) |
| Williamstown to Corsico | 4,097.37 mi (6,594.08 km) |
