| Dusseldorf to Olivenza | 1,097.21 mi (1,765.79 km) |
| Dusseldorf to Olot | 657.34 mi (1,057.89 km) |
| Dusseldorf to Onate | 711.58 mi (1,145.18 km) |
| Dusseldorf to Onda | 849.04 mi (1,366.40 km) |
| Dusseldorf to Onteniente | 929.22 mi (1,495.44 km) |
| Dusseldorf to Orihuela | 983.33 mi (1,582.52 km) |
| Dusseldorf to Osuna | 1,128.95 mi (1,816.86 km) |
| Dusseldorf to Ourense | 923.26 mi (1,485.84 km) |
| Dusseldorf to Oviedo | 801.77 mi (1,290.33 km) |
| Dusseldorf to Paiporta | 886.48 mi (1,426.66 km) |
| Dusseldorf to Pajara | 1,916.39 mi (3,084.13 km) |
| Dusseldorf to Palafolls | 687.86 mi (1,107.00 km) |
| Dusseldorf to Palafrugell | 666.02 mi (1,071.85 km) |
| Dusseldorf to Palamos | 671.24 mi (1,080.26 km) |
| Dusseldorf to Palencia | 831.06 mi (1,337.47 km) |
