| Williamstown to Cavaillon | 3,967.08 mi (6,384.40 km) |
| Williamstown to Cebazat | 3,823.06 mi (6,152.61 km) |
| Williamstown to Cenon | 3,687.24 mi (5,934.04 km) |
| Williamstown to Cergy | 3,693.90 mi (5,944.75 km) |
| Williamstown to Cernay | 3,942.85 mi (6,345.40 km) |
| Williamstown to Cesson | 3,728.53 mi (6,000.49 km) |
| Williamstown to Cesson-Sevigne | 3,558.64 mi (5,727.08 km) |
| Williamstown to Cestas | 3,683.42 mi (5,927.90 km) |
| Williamstown to Chalette-sur-Loing | 3,748.55 mi (6,032.70 km) |
| Williamstown to Challans | 3,576.68 mi (5,756.11 km) |
| Williamstown to Chalon-sur-Saone | 3,872.98 mi (6,232.96 km) |
| Williamstown to Chalons-en-Champagne | 3,792.84 mi (6,103.99 km) |
| Williamstown to Chamalieres | 3,823.20 mi (6,152.85 km) |
| Williamstown to Chambery | 3,953.98 mi (6,363.31 km) |
| Williamstown to Chambly | 3,698.47 mi (5,952.11 km) |
