| Williamstown to Carmignano | 4,232.30 mi (6,811.23 km) |
| Williamstown to Carovigno | 4,634.53 mi (7,458.56 km) |
| Williamstown to Carpenedolo | 4,156.17 mi (6,688.70 km) |
| Williamstown to Carpi | 4,194.52 mi (6,750.42 km) |
| Williamstown to Carrara | 4,183.58 mi (6,732.82 km) |
| Williamstown to Carugate | 4,103.03 mi (6,603.19 km) |
| Williamstown to Casal di Principe | 4,467.09 mi (7,189.09 km) |
| Williamstown to Casale Monferrato | 4,078.24 mi (6,563.29 km) |
| Williamstown to Casale sul Sile | 4,229.60 mi (6,806.88 km) |
| Williamstown to Casalecchio di Reno | 4,221.70 mi (6,794.16 km) |
| Williamstown to Casalgrande | 4,194.60 mi (6,750.55 km) |
| Williamstown to Casalmaggiore | 4,167.69 mi (6,707.25 km) |
| Williamstown to Casalnuovo di Napoli | 4,480.34 mi (7,210.42 km) |
| Williamstown to Casalpusterlengo | 4,128.50 mi (6,644.17 km) |
| Williamstown to Casaluce | 4,470.66 mi (7,194.83 km) |
