| Southborough to Corato | 1,032.55 mi (1,661.73 km) |
| Southborough to Corbetta | 558.55 mi (898.90 km) |
| Southborough to Corciano | 789.64 mi (1,270.81 km) |
| Southborough to Cordenons | 670.32 mi (1,078.77 km) |
| Southborough to Cori | 889.38 mi (1,431.31 km) |
| Southborough to Coriano | 758.31 mi (1,220.38 km) |
| Southborough to Corigliano Calabro | 1,117.69 mi (1,798.76 km) |
| Southborough to Corleone | 1,120.08 mi (1,802.59 km) |
| Southborough to Cormano | 562.53 mi (905.31 km) |
| Southborough to Cornaredo | 560.66 mi (902.30 km) |
| Southborough to Cornate d'Adda | 567.61 mi (913.48 km) |
| Southborough to Cornedo Vicentino | 635.57 mi (1,022.85 km) |
| Southborough to Correggio | 655.83 mi (1,055.46 km) |
| Southborough to Corridonia | 825.78 mi (1,328.96 km) |
| Southborough to Corsico | 566.79 mi (912.16 km) |
