| Williamstown to Caltagirone | 4,624.35 mi (7,442.17 km) |
| Williamstown to Caltanissetta | 4,594.11 mi (7,393.51 km) |
| Williamstown to Calvisano | 4,152.98 mi (6,683.58 km) |
| Williamstown to Calvizzano | 4,473.55 mi (7,199.48 km) |
| Williamstown to Camaiore | 4,197.12 mi (6,754.60 km) |
| Williamstown to Cameri | 4,075.12 mi (6,558.28 km) |
| Williamstown to Camisano Vicentino | 4,206.15 mi (6,769.15 km) |
| Williamstown to Campagna | 4,522.77 mi (7,278.69 km) |
| Williamstown to Campagnano di Roma | 4,349.83 mi (7,000.38 km) |
| Williamstown to Campi Bisenzio | 4,237.39 mi (6,819.41 km) |
| Williamstown to Campi Salentina | 4,661.30 mi (7,501.64 km) |
| Williamstown to Campiglia Marittima | 4,239.84 mi (6,823.36 km) |
| Williamstown to Campobasso | 4,470.73 mi (7,194.94 km) |
| Williamstown to Campobello di Licata | 4,596.43 mi (7,397.24 km) |
| Williamstown to Campobello di Mazara | 4,528.26 mi (7,287.52 km) |
