| Aiken to Olivares | 4,143.15 mi (6,667.75 km) |
| Aiken to Olivenza | 4,063.87 mi (6,540.17 km) |
| Aiken to Olot | 4,444.86 mi (7,153.31 km) |
| Aiken to Onate | 4,191.26 mi (6,745.18 km) |
| Aiken to Onda | 4,372.23 mi (7,036.43 km) |
| Aiken to Onteniente | 4,385.90 mi (7,058.42 km) |
| Aiken to Orihuela | 4,388.96 mi (7,063.34 km) |
| Aiken to Osuna | 4,201.48 mi (6,761.63 km) |
| Aiken to Ourense | 3,944.77 mi (6,348.50 km) |
| Aiken to Oviedo | 4,020.64 mi (6,470.59 km) |
| Aiken to Paiporta | 4,378.94 mi (7,047.22 km) |
| Aiken to Pajara | 3,952.94 mi (6,361.64 km) |
| Aiken to Palafolls | 4,471.20 mi (7,195.70 km) |
| Aiken to Palafrugell | 4,483.86 mi (7,216.08 km) |
| Aiken to Palamos | 4,484.23 mi (7,216.66 km) |
