| Olton to Torres Vedras | 989.03 mi (1,591.69 km) |
| Olton to Trancoso | 846.52 mi (1,362.34 km) |
| Olton to Trofa | 829.73 mi (1,335.33 km) |
| Olton to Vagos | 883.13 mi (1,421.26 km) |
| Olton to Valadares | 846.97 mi (1,363.06 km) |
| Olton to Valbom | 843.11 mi (1,356.86 km) |
| Olton to Vale de Cambra | 858.68 mi (1,381.92 km) |
| Olton to Valenca | 787.22 mi (1,266.91 km) |
| Olton to Valongo | 838.69 mi (1,349.73 km) |
| Olton to Vendas Novas | 1,002.17 mi (1,612.83 km) |
| Olton to Viana do Castelo | 811.35 mi (1,305.74 km) |
| Olton to Vieira do Minho | 803.02 mi (1,292.33 km) |
| Olton to Vila do Conde | 832.08 mi (1,339.10 km) |
| Olton to Vila Franca do Campo | 1,524.64 mi (2,453.68 km) |
| Olton to Vila Nova de Cerveira | 791.37 mi (1,273.59 km) |
