| Williamstown to Campo de Criptana | 3,717.95 mi (5,983.46 km) |
| Williamstown to Campos del Puerto | 4,010.76 mi (6,454.69 km) |
| Williamstown to Canals | 3,853.29 mi (6,201.27 km) |
| Williamstown to Candelaria | 3,385.63 mi (5,448.65 km) |
| Williamstown to Canet de Mar | 3,923.02 mi (6,313.49 km) |
| Williamstown to Cangas | 3,368.34 mi (5,420.82 km) |
| Williamstown to Cangas de Narcea | 3,452.74 mi (5,556.64 km) |
| Williamstown to Canovellas | 3,908.22 mi (6,289.68 km) |
| Williamstown to Canteras | 3,872.82 mi (6,232.70 km) |
| Williamstown to Cantillana | 3,638.55 mi (5,855.67 km) |
| Williamstown to Capdepera | 4,021.72 mi (6,472.33 km) |
| Williamstown to Carballo | 3,350.35 mi (5,391.87 km) |
| Williamstown to Carcagente | 3,854.91 mi (6,203.88 km) |
| Williamstown to Cardedeu | 3,911.15 mi (6,294.39 km) |
| Williamstown to Carlet | 3,848.26 mi (6,193.18 km) |
