| Horw to Arcos de Valdevez | 897.31 mi (1,444.08 km) |
| Horw to Arcozelo | 934.91 mi (1,504.60 km) |
| Horw to Arganil | 941.34 mi (1,514.93 km) |
| Horw to Arouca | 921.99 mi (1,483.80 km) |
| Horw to Arruda dos Vinhos | 1,035.55 mi (1,666.56 km) |
| Horw to Aveiro | 951.07 mi (1,530.59 km) |
| Horw to Aver-o-Mar | 928.23 mi (1,493.84 km) |
| Horw to Aves | 906.05 mi (1,458.14 km) |
| Horw to Azambuja | 1,023.54 mi (1,647.23 km) |
| Horw to Baiao | 904.07 mi (1,454.95 km) |
| Horw to Barcelos | 917.49 mi (1,476.56 km) |
| Horw to Barreiro | 1,049.17 mi (1,688.47 km) |
| Horw to Batalha | 996.35 mi (1,603.47 km) |
| Horw to Beja | 1,028.95 mi (1,655.94 km) |
| Horw to Belas | 1,053.10 mi (1,694.79 km) |
