| Port Lavaca to Arcos de Valdevez | 4,845.13 mi (7,797.49 km) |
| Port Lavaca to Arcozelo | 4,854.22 mi (7,812.11 km) |
| Port Lavaca to Arganil | 4,904.01 mi (7,892.25 km) |
| Port Lavaca to Arouca | 4,876.44 mi (7,847.88 km) |
| Port Lavaca to Arruda dos Vinhos | 4,885.57 mi (7,862.56 km) |
| Port Lavaca to Aveiro | 4,864.30 mi (7,828.34 km) |
| Port Lavaca to Aver-o-Mar | 4,839.26 mi (7,788.03 km) |
| Port Lavaca to Aves | 4,861.01 mi (7,823.05 km) |
| Port Lavaca to Azambuja | 4,893.41 mi (7,875.18 km) |
| Port Lavaca to Baiao | 4,880.80 mi (7,854.89 km) |
| Port Lavaca to Barcelos | 4,843.81 mi (7,795.37 km) |
| Port Lavaca to Barreiro | 4,893.67 mi (7,875.60 km) |
| Port Lavaca to Batalha | 4,881.82 mi (7,856.54 km) |
| Port Lavaca to Beja | 4,969.58 mi (7,997.76 km) |
| Port Lavaca to Belas | 4,880.63 mi (7,854.62 km) |
