| Porsgrunn to Trancoso | 1,466.72 mi (2,360.46 km) |
| Porsgrunn to Trofa | 1,459.36 mi (2,348.61 km) |
| Porsgrunn to Vagos | 1,511.04 mi (2,431.79 km) |
| Porsgrunn to Valadares | 1,476.28 mi (2,375.84 km) |
| Porsgrunn to Valbom | 1,472.15 mi (2,369.20 km) |
| Porsgrunn to Vale de Cambra | 1,485.92 mi (2,391.36 km) |
| Porsgrunn to Valenca | 1,419.25 mi (2,284.06 km) |
| Porsgrunn to Valongo | 1,467.52 mi (2,361.74 km) |
| Porsgrunn to Vendas Novas | 1,623.03 mi (2,612.02 km) |
| Porsgrunn to Viana do Castelo | 1,443.42 mi (2,322.95 km) |
| Porsgrunn to Vieira do Minho | 1,431.22 mi (2,303.33 km) |
| Porsgrunn to Vila do Conde | 1,462.70 mi (2,354.00 km) |
| Porsgrunn to Vila Franca do Campo | 2,142.82 mi (3,448.54 km) |
| Porsgrunn to Vila Nova de Cerveira | 1,423.50 mi (2,290.90 km) |
| Porsgrunn to Vila Nova de Gaia | 1,473.31 mi (2,371.06 km) |
