| Barstow to Arcos de Valdevez | 5,477.18 mi (8,814.67 km) |
| Barstow to Arcozelo | 5,501.56 mi (8,853.91 km) |
| Barstow to Arganil | 5,561.34 mi (8,950.10 km) |
| Barstow to Arouca | 5,522.98 mi (8,888.37 km) |
| Barstow to Arruda dos Vinhos | 5,571.24 mi (8,966.05 km) |
| Barstow to Aveiro | 5,518.97 mi (8,881.93 km) |
| Barstow to Aver-o-Mar | 5,481.54 mi (8,821.69 km) |
| Barstow to Aves | 5,499.25 mi (8,850.18 km) |
| Barstow to Azambuja | 5,576.20 mi (8,974.02 km) |
| Barstow to Baiao | 5,521.77 mi (8,886.43 km) |
| Barstow to Barcelos | 5,483.04 mi (8,824.09 km) |
| Barstow to Barreiro | 5,584.63 mi (8,987.60 km) |
| Barstow to Batalha | 5,554.31 mi (8,938.80 km) |
| Barstow to Beja | 5,662.09 mi (9,112.26 km) |
| Barstow to Belas | 5,571.30 mi (8,966.14 km) |
