| Southborough to Slatina | 1,204.41 mi (1,938.31 km) |
| Southborough to Slobozia | 1,327.24 mi (2,135.99 km) |
| Southborough to Sovata | 1,164.34 mi (1,873.82 km) |
| Southborough to Strehaia | 1,148.38 mi (1,848.14 km) |
| Southborough to Suceava | 1,186.77 mi (1,909.93 km) |
| Southborough to Targoviste | 1,233.48 mi (1,985.10 km) |
| Southborough to Targu Frumos | 1,231.06 mi (1,981.20 km) |
| Southborough to Targu Jiu | 1,137.11 mi (1,830.00 km) |
| Southborough to Targu Lapus | 1,088.37 mi (1,751.57 km) |
| Southborough to Targu Neamt | 1,202.92 mi (1,935.91 km) |
| Southborough to Targu Ocna | 1,240.25 mi (1,995.99 km) |
| Southborough to Targu Secuiesc | 1,228.12 mi (1,976.46 km) |
| Southborough to Targu-Mures | 1,143.76 mi (1,840.71 km) |
| Southborough to Tarnaveni | 1,137.60 mi (1,830.79 km) |
| Southborough to Tasnad | 1,032.50 mi (1,661.64 km) |
