| Twin Rivers to Arcos de Valdevez | 3,355.78 mi (5,400.61 km) |
| Twin Rivers to Arcozelo | 3,365.47 mi (5,416.20 km) |
| Twin Rivers to Arganil | 3,415.99 mi (5,497.51 km) |
| Twin Rivers to Arouca | 3,387.70 mi (5,451.98 km) |
| Twin Rivers to Arruda dos Vinhos | 3,400.17 mi (5,472.04 km) |
| Twin Rivers to Aveiro | 3,376.00 mi (5,433.15 km) |
| Twin Rivers to Aver-o-Mar | 3,350.25 mi (5,391.70 km) |
| Twin Rivers to Aves | 3,371.88 mi (5,426.52 km) |
| Twin Rivers to Azambuja | 3,407.71 mi (5,484.17 km) |
| Twin Rivers to Baiao | 3,391.80 mi (5,458.58 km) |
| Twin Rivers to Barcelos | 3,354.69 mi (5,398.85 km) |
| Twin Rivers to Barreiro | 3,408.96 mi (5,486.19 km) |
| Twin Rivers to Batalha | 3,395.00 mi (5,463.72 km) |
| Twin Rivers to Beja | 3,485.40 mi (5,609.22 km) |
| Twin Rivers to Belas | 3,395.83 mi (5,465.05 km) |
