| Harker Heights to Arcos de Valdevez | 4,791.03 mi (7,710.43 km) |
| Harker Heights to Arcozelo | 4,802.65 mi (7,729.12 km) |
| Harker Heights to Arganil | 4,854.36 mi (7,812.33 km) |
| Harker Heights to Arouca | 4,824.87 mi (7,764.88 km) |
| Harker Heights to Arruda dos Vinhos | 4,840.53 mi (7,790.07 km) |
| Harker Heights to Aveiro | 4,813.99 mi (7,747.37 km) |
| Harker Heights to Aver-o-Mar | 4,786.78 mi (7,703.58 km) |
| Harker Heights to Aves | 4,808.01 mi (7,737.74 km) |
| Harker Heights to Azambuja | 4,847.92 mi (7,801.98 km) |
| Harker Heights to Baiao | 4,828.34 mi (7,770.47 km) |
| Harker Heights to Barcelos | 4,790.87 mi (7,710.16 km) |
| Harker Heights to Barreiro | 4,849.57 mi (7,804.62 km) |
| Harker Heights to Batalha | 4,834.55 mi (7,780.46 km) |
| Harker Heights to Beja | 4,926.14 mi (7,927.86 km) |
| Harker Heights to Belas | 4,836.40 mi (7,783.44 km) |
