| Humacao to Arcos de Valdevez | 3,724.14 mi (5,993.42 km) |
| Humacao to Arcozelo | 3,705.58 mi (5,963.56 km) |
| Humacao to Arganil | 3,729.15 mi (6,001.49 km) |
| Humacao to Arouca | 3,724.95 mi (5,994.72 km) |
| Humacao to Arruda dos Vinhos | 3,666.28 mi (5,900.30 km) |
| Humacao to Aveiro | 3,701.37 mi (5,956.78 km) |
| Humacao to Aver-o-Mar | 3,702.07 mi (5,957.91 km) |
| Humacao to Aves | 3,726.49 mi (5,997.21 km) |
| Humacao to Azambuja | 3,677.56 mi (5,918.47 km) |
| Humacao to Baiao | 3,737.85 mi (6,015.49 km) |
| Humacao to Barcelos | 3,710.93 mi (5,972.17 km) |
| Humacao to Barreiro | 3,663.98 mi (5,896.60 km) |
| Humacao to Batalha | 3,685.50 mi (5,931.24 km) |
| Humacao to Beja | 3,723.81 mi (5,992.89 km) |
| Humacao to Belas | 3,653.78 mi (5,880.19 km) |
