| Williamstown to Cassina de' Pecchi | 4,105.52 mi (6,607.20 km) |
| Williamstown to Cassino | 4,436.37 mi (7,139.65 km) |
| Williamstown to Castagneto Carducci | 4,235.75 mi (6,816.78 km) |
| Williamstown to Castano Primo | 4,078.60 mi (6,563.88 km) |
| Williamstown to Castel Bolognese | 4,249.59 mi (6,839.05 km) |
| Williamstown to Castel Gandolfo | 4,375.27 mi (7,041.32 km) |
| Williamstown to Castel Goffredo | 4,160.17 mi (6,695.15 km) |
| Williamstown to Castel Maggiore | 4,222.53 mi (6,795.51 km) |
| Williamstown to Castel Mella | 4,139.72 mi (6,662.24 km) |
| Williamstown to Castel San Giorgio | 4,500.74 mi (7,243.25 km) |
| Williamstown to Castel San Giovanni | 4,123.20 mi (6,635.65 km) |
| Williamstown to Castel San Pietro Terme | 4,237.44 mi (6,819.49 km) |
| Williamstown to Castel Volturno | 4,456.27 mi (7,171.68 km) |
| Williamstown to Castelbuono | 4,579.21 mi (7,369.53 km) |
| Williamstown to Casteldaccia | 4,548.88 mi (7,320.72 km) |
