| Williamstown to Castelfidardo | 4,354.29 mi (7,007.55 km) |
| Williamstown to Castelfiorentino | 4,237.35 mi (6,819.36 km) |
| Williamstown to Castelfranco di Sopra | 4,262.42 mi (6,859.70 km) |
| Williamstown to Castelfranco di Sotto | 4,224.53 mi (6,798.73 km) |
| Williamstown to Castelfranco Emilia | 4,207.98 mi (6,772.09 km) |
| Williamstown to Castelfranco Veneto | 4,210.42 mi (6,776.02 km) |
| Williamstown to Castellabate | 4,530.53 mi (7,291.18 km) |
| Williamstown to Castellammare del Golfo | 4,519.76 mi (7,273.86 km) |
| Williamstown to Castellammare di Stabia | 4,494.23 mi (7,232.76 km) |
| Williamstown to Castellamonte | 4,038.12 mi (6,498.73 km) |
| Williamstown to Castellana Grotte | 4,605.72 mi (7,412.18 km) |
| Williamstown to Castellaneta | 4,604.92 mi (7,410.90 km) |
| Williamstown to Castellanza | 4,082.27 mi (6,569.78 km) |
| Williamstown to Castellarano | 4,197.31 mi (6,754.91 km) |
| Williamstown to Castelleone | 4,129.52 mi (6,645.81 km) |
