| Horizon West to Arcos de Valdevez | 4,113.06 mi (6,619.32 km) |
| Horizon West to Arcozelo | 4,113.80 mi (6,620.52 km) |
| Horizon West to Arganil | 4,156.84 mi (6,689.79 km) |
| Horizon West to Arouca | 4,135.73 mi (6,655.82 km) |
| Horizon West to Arruda dos Vinhos | 4,124.52 mi (6,637.77 km) |
| Horizon West to Aveiro | 4,119.75 mi (6,630.10 km) |
| Horizon West to Aver-o-Mar | 4,101.98 mi (6,601.50 km) |
| Horizon West to Aves | 4,125.15 mi (6,638.79 km) |
| Horizon West to Azambuja | 4,133.58 mi (6,652.35 km) |
| Horizon West to Baiao | 4,142.85 mi (6,667.27 km) |
| Horizon West to Barcelos | 4,107.99 mi (6,611.18 km) |
| Horizon West to Barreiro | 4,129.73 mi (6,646.15 km) |
| Horizon West to Batalha | 4,127.57 mi (6,642.68 km) |
| Horizon West to Beja | 4,202.69 mi (6,763.58 km) |
| Horizon West to Belas | 4,117.21 mi (6,626.01 km) |
