| Sulphur to Arcos de Valdevez | 4,620.93 mi (7,436.66 km) |
| Sulphur to Arcozelo | 4,629.60 mi (7,450.62 km) |
| Sulphur to Arganil | 4,679.11 mi (7,530.30 km) |
| Sulphur to Arouca | 4,651.82 mi (7,486.38 km) |
| Sulphur to Arruda dos Vinhos | 4,660.12 mi (7,499.73 km) |
| Sulphur to Aveiro | 4,639.50 mi (7,466.55 km) |
| Sulphur to Aver-o-Mar | 4,614.78 mi (7,426.77 km) |
| Sulphur to Aves | 4,636.62 mi (7,461.92 km) |
| Sulphur to Azambuja | 4,668.00 mi (7,512.42 km) |
| Sulphur to Baiao | 4,656.31 mi (7,493.61 km) |
| Sulphur to Barcelos | 4,619.41 mi (7,434.23 km) |
| Sulphur to Barreiro | 4,668.13 mi (7,512.63 km) |
| Sulphur to Batalha | 4,656.62 mi (7,494.10 km) |
| Sulphur to Beja | 4,743.96 mi (7,634.67 km) |
| Sulphur to Belas | 4,655.10 mi (7,491.66 km) |
