| Siloam Springs to Arcos de Valdevez | 4,438.42 mi (7,142.95 km) |
| Siloam Springs to Arcozelo | 4,452.80 mi (7,166.08 km) |
| Siloam Springs to Arganil | 4,506.52 mi (7,252.54 km) |
| Siloam Springs to Arouca | 4,474.95 mi (7,201.74 km) |
| Siloam Springs to Arruda dos Vinhos | 4,498.05 mi (7,238.92 km) |
| Siloam Springs to Aveiro | 4,465.51 mi (7,186.55 km) |
| Siloam Springs to Aver-o-Mar | 4,435.96 mi (7,138.99 km) |
| Siloam Springs to Aves | 4,456.54 mi (7,172.11 km) |
| Siloam Springs to Azambuja | 4,504.91 mi (7,249.95 km) |
| Siloam Springs to Baiao | 4,477.44 mi (7,205.74 km) |
| Siloam Springs to Barcelos | 4,439.52 mi (7,144.71 km) |
| Siloam Springs to Barreiro | 4,508.18 mi (7,255.21 km) |
| Siloam Springs to Batalha | 4,489.49 mi (7,225.14 km) |
| Siloam Springs to Beja | 4,585.34 mi (7,379.39 km) |
| Siloam Springs to Belas | 4,494.91 mi (7,233.86 km) |
