| Highland Springs to Arcos de Valdevez | 3,575.44 mi (5,754.11 km) |
| Highland Springs to Arcozelo | 3,583.26 mi (5,766.71 km) |
| Highland Springs to Arganil | 3,632.31 mi (5,845.65 km) |
| Highland Springs to Arouca | 3,605.48 mi (5,802.46 km) |
| Highland Springs to Arruda dos Vinhos | 3,612.90 mi (5,814.40 km) |
| Highland Springs to Aveiro | 3,592.85 mi (5,782.13 km) |
| Highland Springs to Aver-o-Mar | 3,568.73 mi (5,743.31 km) |
| Highland Springs to Aves | 3,590.73 mi (5,778.72 km) |
| Highland Springs to Azambuja | 3,620.78 mi (5,827.09 km) |
| Highland Springs to Baiao | 3,610.23 mi (5,810.10 km) |
| Highland Springs to Barcelos | 3,573.51 mi (5,751.01 km) |
| Highland Springs to Barreiro | 3,620.93 mi (5,827.33 km) |
| Highland Springs to Batalha | 3,609.49 mi (5,808.92 km) |
| Highland Springs to Beja | 3,696.81 mi (5,949.44 km) |
| Highland Springs to Belas | 3,607.90 mi (5,806.35 km) |
