| Siran to Torres Vedras | 2,543.62 mi (4,093.57 km) |
| Siran to Trancoso | 2,413.42 mi (3,884.03 km) |
| Siran to Trofa | 2,464.83 mi (3,966.75 km) |
| Siran to Vagos | 2,485.09 mi (3,999.36 km) |
| Siran to Valadares | 2,473.06 mi (3,980.01 km) |
| Siran to Valbom | 2,468.72 mi (3,973.02 km) |
| Siran to Vale de Cambra | 2,465.32 mi (3,967.55 km) |
| Siran to Valenca | 2,457.21 mi (3,954.50 km) |
| Siran to Valongo | 2,464.49 mi (3,966.21 km) |
| Siran to Vendas Novas | 2,510.19 mi (4,039.77 km) |
| Siran to Viana do Castelo | 2,472.41 mi (3,978.96 km) |
| Siran to Vieira do Minho | 2,438.45 mi (3,924.30 km) |
| Siran to Vila do Conde | 2,473.85 mi (3,981.27 km) |
| Siran to Vila Franca do Campo | 3,394.47 mi (5,462.88 km) |
| Siran to Vila Nova de Cerveira | 2,460.52 mi (3,959.82 km) |
