| Southborough to Carmignano | 712.33 mi (1,146.39 km) |
| Southborough to Carovigno | 1,100.31 mi (1,770.78 km) |
| Southborough to Carpenedolo | 614.63 mi (989.16 km) |
| Southborough to Carpi | 658.64 mi (1,059.98 km) |
| Southborough to Carrara | 669.04 mi (1,076.72 km) |
| Southborough to Carugate | 568.08 mi (914.23 km) |
| Southborough to Casal di Principe | 962.69 mi (1,549.30 km) |
| Southborough to Casale Monferrato | 561.46 mi (903.58 km) |
| Southborough to Casale sul Sile | 672.67 mi (1,082.56 km) |
| Southborough to Casalecchio di Reno | 687.21 mi (1,105.96 km) |
| Southborough to Casalgrande | 663.55 mi (1,067.88 km) |
| Southborough to Casalmaggiore | 632.62 mi (1,018.11 km) |
| Southborough to Casalnuovo di Napoli | 975.15 mi (1,569.35 km) |
| Southborough to Casalpusterlengo | 597.34 mi (961.32 km) |
| Southborough to Casaluce | 965.76 mi (1,554.24 km) |
