| Davenport to Olivares | 4,323.96 mi (6,958.74 km) |
| Davenport to Olivenza | 4,233.23 mi (6,812.72 km) |
| Davenport to Olot | 4,522.07 mi (7,277.57 km) |
| Davenport to Onate | 4,281.50 mi (6,890.41 km) |
| Davenport to Onda | 4,490.93 mi (7,227.46 km) |
| Davenport to Onteniente | 4,520.44 mi (7,274.94 km) |
| Davenport to Orihuela | 4,534.30 mi (7,297.24 km) |
| Davenport to Osuna | 4,379.17 mi (7,047.60 km) |
| Davenport to Ourense | 4,069.09 mi (6,548.56 km) |
| Davenport to Oviedo | 4,122.09 mi (6,633.87 km) |
| Davenport to Paiporta | 4,505.04 mi (7,250.16 km) |
| Davenport to Pajara | 4,287.35 mi (6,899.82 km) |
| Davenport to Palafolls | 4,553.39 mi (7,327.97 km) |
| Davenport to Palafrugell | 4,560.90 mi (7,340.05 km) |
| Davenport to Palamos | 4,562.31 mi (7,342.33 km) |
