| South Houston to Torres Vedras | 4,762.68 mi (7,664.79 km) |
| South Houston to Trancoso | 4,812.98 mi (7,745.74 km) |
| South Houston to Trofa | 4,740.26 mi (7,628.72 km) |
| South Houston to Vagos | 4,754.11 mi (7,651.00 km) |
| South Houston to Valadares | 4,742.53 mi (7,632.37 km) |
| South Houston to Valbom | 4,745.05 mi (7,636.42 km) |
| South Houston to Vale de Cambra | 4,760.30 mi (7,660.97 km) |
| South Houston to Valenca | 4,719.78 mi (7,595.75 km) |
| South Houston to Valongo | 4,747.02 mi (7,639.59 km) |
| South Houston to Vendas Novas | 4,813.76 mi (7,747.00 km) |
| South Houston to Viana do Castelo | 4,718.02 mi (7,592.91 km) |
| South Houston to Vieira do Minho | 4,753.36 mi (7,649.80 km) |
| South Houston to Vila do Conde | 4,730.94 mi (7,613.72 km) |
| South Houston to Vila Franca do Campo | 3,959.47 mi (6,372.16 km) |
| South Houston to Vila Nova de Cerveira | 4,718.62 mi (7,593.88 km) |
