| Spout Springs to Arcos de Valdevez | 3,734.30 mi (6,009.77 km) |
| Spout Springs to Arcozelo | 3,740.48 mi (6,019.72 km) |
| Spout Springs to Arganil | 3,788.19 mi (6,096.50 km) |
| Spout Springs to Arouca | 3,762.66 mi (6,055.42 km) |
| Spout Springs to Arruda dos Vinhos | 3,765.68 mi (6,060.28 km) |
| Spout Springs to Aveiro | 3,749.23 mi (6,033.80 km) |
| Spout Springs to Aver-o-Mar | 3,726.56 mi (5,997.32 km) |
| Spout Springs to Aves | 3,748.87 mi (6,033.22 km) |
| Spout Springs to Azambuja | 3,773.86 mi (6,073.44 km) |
| Spout Springs to Baiao | 3,767.97 mi (6,063.96 km) |
| Spout Springs to Barcelos | 3,731.64 mi (6,005.49 km) |
| Spout Springs to Barreiro | 3,773.05 mi (6,072.14 km) |
| Spout Springs to Batalha | 3,763.81 mi (6,057.26 km) |
| Spout Springs to Beja | 3,848.36 mi (6,193.34 km) |
| Spout Springs to Belas | 3,760.12 mi (6,051.33 km) |
