| Southborough to Buhusi | 1,231.29 mi (1,981.57 km) |
| Southborough to Bumbesti-Jiu | 1,136.66 mi (1,829.28 km) |
| Southborough to Busteni | 1,220.69 mi (1,964.52 km) |
| Southborough to Buzau | 1,284.12 mi (2,066.60 km) |
| Southborough to Cajvana | 1,173.04 mi (1,887.83 km) |
| Southborough to Calafat | 1,161.85 mi (1,869.81 km) |
| Southborough to Calan | 1,102.24 mi (1,773.89 km) |
| Southborough to Calarasi | 1,338.49 mi (2,154.09 km) |
| Southborough to Campia Turzii | 1,114.32 mi (1,793.33 km) |
| Southborough to Campina | 1,238.64 mi (1,993.39 km) |
| Southborough to Campulung | 1,204.45 mi (1,938.37 km) |
| Southborough to Campulung Moldovenesc | 1,159.36 mi (1,865.81 km) |
| Southborough to Caracal | 1,215.21 mi (1,955.69 km) |
| Southborough to Caransebes | 1,079.36 mi (1,737.06 km) |
| Southborough to Carei | 1,022.05 mi (1,644.84 km) |
