| Southborough to Solymar | 872.36 mi (1,403.93 km) |
| Southborough to Sopron | 769.78 mi (1,238.84 km) |
| Southborough to Szarvas | 962.29 mi (1,548.66 km) |
| Southborough to Szazhalombatta | 879.85 mi (1,415.98 km) |
| Southborough to Szeged | 964.02 mi (1,551.43 km) |
| Southborough to Szeghalom | 983.95 mi (1,583.51 km) |
| Southborough to Szekesfehervar | 861.42 mi (1,386.32 km) |
| Southborough to Szekszard | 900.03 mi (1,448.47 km) |
| Southborough to Szentendre | 875.27 mi (1,408.61 km) |
| Southborough to Szentes | 956.35 mi (1,539.10 km) |
| Southborough to Szentgotthard | 779.29 mi (1,254.15 km) |
| Southborough to Szigethalom | 883.44 mi (1,421.75 km) |
| Southborough to Szigetszentmiklos | 884.30 mi (1,423.15 km) |
| Southborough to Szigetvar | 872.74 mi (1,404.53 km) |
| Southborough to Szolnok | 938.22 mi (1,509.93 km) |
