| Sulphur Springs to Arcos de Valdevez | 4,609.67 mi (7,418.55 km) |
| Sulphur Springs to Arcozelo | 4,621.97 mi (7,438.34 km) |
| Sulphur Springs to Arganil | 4,674.20 mi (7,522.40 km) |
| Sulphur Springs to Arouca | 4,644.18 mi (7,474.08 km) |
| Sulphur Springs to Arruda dos Vinhos | 4,661.78 mi (7,502.40 km) |
| Sulphur Springs to Aveiro | 4,633.66 mi (7,457.16 km) |
| Sulphur Springs to Aver-o-Mar | 4,605.86 mi (7,412.41 km) |
| Sulphur Springs to Aves | 4,626.93 mi (7,446.32 km) |
| Sulphur Springs to Azambuja | 4,669.03 mi (7,514.08 km) |
| Sulphur Springs to Baiao | 4,647.41 mi (7,479.28 km) |
| Sulphur Springs to Barcelos | 4,609.81 mi (7,418.78 km) |
| Sulphur Springs to Barreiro | 4,671.11 mi (7,517.42 km) |
| Sulphur Springs to Batalha | 4,655.11 mi (7,491.68 km) |
| Sulphur Springs to Beja | 4,747.87 mi (7,640.96 km) |
| Sulphur Springs to Belas | 4,657.92 mi (7,496.19 km) |
