| Southborough to Torres Vedras | 953.26 mi (1,534.12 km) |
| Southborough to Trancoso | 803.80 mi (1,293.59 km) |
| Southborough to Trofa | 797.70 mi (1,283.77 km) |
| Southborough to Vagos | 848.77 mi (1,365.96 km) |
| Southborough to Valadares | 814.47 mi (1,310.76 km) |
| Southborough to Valbom | 810.27 mi (1,304.00 km) |
| Southborough to Vale de Cambra | 823.54 mi (1,325.36 km) |
| Southborough to Valenca | 758.80 mi (1,221.16 km) |
| Southborough to Valongo | 805.58 mi (1,296.46 km) |
| Southborough to Vendas Novas | 960.14 mi (1,545.20 km) |
| Southborough to Viana do Castelo | 782.87 mi (1,259.92 km) |
| Southborough to Vieira do Minho | 769.20 mi (1,237.91 km) |
| Southborough to Vila do Conde | 801.41 mi (1,289.75 km) |
| Southborough to Vila Franca do Campo | 1,558.20 mi (2,507.69 km) |
| Southborough to Vila Nova de Cerveira | 763.08 mi (1,228.05 km) |
