| Seaham to Torres Vedras | 1,149.30 mi (1,849.62 km) |
| Seaham to Trancoso | 1,009.55 mi (1,624.71 km) |
| Seaham to Trofa | 989.39 mi (1,592.26 km) |
| Seaham to Vagos | 1,043.35 mi (1,679.11 km) |
| Seaham to Valadares | 1,006.70 mi (1,620.12 km) |
| Seaham to Valbom | 1,002.99 mi (1,614.15 km) |
| Seaham to Vale de Cambra | 1,019.29 mi (1,640.39 km) |
| Seaham to Valenca | 945.77 mi (1,522.06 km) |
| Seaham to Valongo | 998.68 mi (1,607.22 km) |
| Seaham to Vendas Novas | 1,164.49 mi (1,874.06 km) |
| Seaham to Viana do Castelo | 969.76 mi (1,560.68 km) |
| Seaham to Vieira do Minho | 963.46 mi (1,550.54 km) |
| Seaham to Vila do Conde | 991.21 mi (1,595.19 km) |
| Seaham to Vila Franca do Campo | 1,634.30 mi (2,630.15 km) |
| Seaham to Vila Nova de Cerveira | 949.85 mi (1,528.63 km) |
