| Southborough to Prokuplje | 1,135.08 mi (1,826.73 km) |
| Southborough to Raca | 1,070.76 mi (1,723.23 km) |
| Southborough to Raska | 1,093.48 mi (1,759.78 km) |
| Southborough to Razanj | 1,116.16 mi (1,796.29 km) |
| Southborough to Rekovac | 1,091.21 mi (1,756.12 km) |
| Southborough to Ruma | 994.45 mi (1,600.42 km) |
| Southborough to Sabac | 997.85 mi (1,605.89 km) |
| Southborough to Secanj | 1,020.31 mi (1,642.02 km) |
| Southborough to Senta | 972.33 mi (1,564.82 km) |
| Southborough to Sid | 965.40 mi (1,553.67 km) |
| Southborough to Sjenica | 1,069.86 mi (1,721.78 km) |
| Southborough to Smederevo | 1,052.24 mi (1,693.41 km) |
| Southborough to Smederevska Palanka | 1,064.69 mi (1,713.45 km) |
| Southborough to Sokobanja | 1,129.79 mi (1,818.23 km) |
| Southborough to Sombor | 936.65 mi (1,507.39 km) |
