| Port Lavaca to Oliveira de Frades | 4,884.95 mi (7,861.57 km) |
| Port Lavaca to Oliveira do Bairro | 4,874.58 mi (7,844.87 km) |
| Port Lavaca to Oliveira do Hospital | 4,909.76 mi (7,901.49 km) |
| Port Lavaca to Ourem | 4,893.36 mi (7,875.10 km) |
| Port Lavaca to Ovar | 4,859.25 mi (7,820.21 km) |
| Port Lavaca to Pacos de Ferreira | 4,860.53 mi (7,822.27 km) |
| Port Lavaca to Palmela | 4,904.60 mi (7,893.19 km) |
| Port Lavaca to Paredes | 4,865.44 mi (7,830.16 km) |
| Port Lavaca to Paredes de Coura | 4,836.61 mi (7,783.78 km) |
| Port Lavaca to Penacova | 4,891.44 mi (7,872.01 km) |
| Port Lavaca to Penafiel | 4,867.67 mi (7,833.76 km) |
| Port Lavaca to Peniche | 4,861.32 mi (7,823.53 km) |
| Port Lavaca to Peso da Regua | 4,893.26 mi (7,874.94 km) |
| Port Lavaca to Pinhal Novo | 4,902.24 mi (7,889.39 km) |
| Port Lavaca to Pinhel | 4,937.46 mi (7,946.07 km) |
