| Southborough to Cervignano del Friuli | 701.43 mi (1,128.85 km) |
| Southborough to Cesa | 968.64 mi (1,558.88 km) |
| Southborough to Cesano Maderno | 557.78 mi (897.66 km) |
| Southborough to Cesena | 737.43 mi (1,186.78 km) |
| Southborough to Cesenatico | 739.69 mi (1,190.42 km) |
| Southborough to Cetraro | 1,104.29 mi (1,777.19 km) |
| Southborough to Cherasco | 570.56 mi (918.23 km) |
| Southborough to Chiampo | 636.18 mi (1,023.84 km) |
| Southborough to Chiaravalle | 802.06 mi (1,290.78 km) |
| Southborough to Chiari | 588.20 mi (946.61 km) |
| Southborough to Chiavari | 632.39 mi (1,017.73 km) |
| Southborough to Chieri | 548.94 mi (883.43 km) |
| Southborough to Chieti | 893.69 mi (1,438.25 km) |
| Southborough to Chioggia | 687.57 mi (1,106.53 km) |
| Southborough to Chiusi | 784.78 mi (1,262.98 km) |
