| Ponca City to Arcos de Valdevez | 4,532.98 mi (7,295.12 km) |
| Ponca City to Arcozelo | 4,549.00 mi (7,320.92 km) |
| Ponca City to Arganil | 4,603.84 mi (7,409.16 km) |
| Ponca City to Arouca | 4,571.09 mi (7,356.46 km) |
| Ponca City to Arruda dos Vinhos | 4,598.36 mi (7,400.34 km) |
| Ponca City to Aveiro | 4,562.51 mi (7,342.66 km) |
| Ponca City to Aver-o-Mar | 4,531.61 mi (7,292.92 km) |
| Ponca City to Aves | 4,551.78 mi (7,325.38 km) |
| Ponca City to Azambuja | 4,604.92 mi (7,410.90 km) |
| Ponca City to Baiao | 4,572.99 mi (7,359.52 km) |
| Ponca City to Barcelos | 4,534.84 mi (7,298.12 km) |
| Ponca City to Barreiro | 4,609.04 mi (7,417.54 km) |
| Ponca City to Batalha | 4,588.40 mi (7,384.32 km) |
| Ponca City to Beja | 4,686.42 mi (7,542.07 km) |
| Ponca City to Belas | 4,595.74 mi (7,396.12 km) |
