| Williamstown to Cervignano del Friuli | 4,264.44 mi (6,862.96 km) |
| Williamstown to Cesa | 4,473.35 mi (7,199.15 km) |
| Williamstown to Cesano Maderno | 4,092.41 mi (6,586.10 km) |
| Williamstown to Cesena | 4,274.79 mi (6,879.61 km) |
| Williamstown to Cesenatico | 4,279.20 mi (6,886.70 km) |
| Williamstown to Cetraro | 4,604.08 mi (7,409.56 km) |
| Williamstown to Cherasco | 4,067.55 mi (6,546.09 km) |
| Williamstown to Chiampo | 4,186.59 mi (6,737.67 km) |
| Williamstown to Chiaravalle | 4,340.36 mi (6,985.13 km) |
| Williamstown to Chiari | 4,127.64 mi (6,642.80 km) |
| Williamstown to Chiavari | 4,142.34 mi (6,666.46 km) |
| Williamstown to Chieri | 4,054.29 mi (6,524.74 km) |
| Williamstown to Chieti | 4,420.61 mi (7,114.28 km) |
| Williamstown to Chioggia | 4,239.94 mi (6,823.53 km) |
| Williamstown to Chiusi | 4,300.20 mi (6,920.50 km) |
