| Callaway to Arcos de Valdevez | 4,243.91 mi (6,829.91 km) |
| Callaway to Arcozelo | 4,248.36 mi (6,837.07 km) |
| Callaway to Arganil | 4,294.56 mi (6,911.42 km) |
| Callaway to Arouca | 4,270.49 mi (6,872.68 km) |
| Callaway to Arruda dos Vinhos | 4,268.49 mi (6,869.47 km) |
| Callaway to Aveiro | 4,256.19 mi (6,849.67 km) |
| Callaway to Aver-o-Mar | 4,235.11 mi (6,815.75 km) |
| Callaway to Aves | 4,257.71 mi (6,852.13 km) |
| Callaway to Azambuja | 4,277.01 mi (6,883.18 km) |
| Callaway to Baiao | 4,276.39 mi (6,882.18 km) |
| Callaway to Barcelos | 4,240.49 mi (6,824.41 km) |
| Callaway to Barreiro | 4,275.05 mi (6,880.03 km) |
| Callaway to Batalha | 4,268.42 mi (6,869.36 km) |
| Callaway to Beja | 4,349.55 mi (6,999.93 km) |
| Callaway to Belas | 4,262.26 mi (6,859.44 km) |
