| Gennep to Olivenza | 1,097.93 mi (1,766.95 km) |
| Gennep to Olot | 677.56 mi (1,090.43 km) |
| Gennep to Onate | 714.85 mi (1,150.44 km) |
| Gennep to Onda | 863.89 mi (1,390.29 km) |
| Gennep to Onteniente | 944.51 mi (1,520.04 km) |
| Gennep to Orihuela | 998.57 mi (1,607.05 km) |
| Gennep to Osuna | 1,135.89 mi (1,828.04 km) |
| Gennep to Ourense | 915.23 mi (1,472.93 km) |
| Gennep to Oviedo | 795.39 mi (1,280.06 km) |
| Gennep to Paiporta | 901.56 mi (1,450.93 km) |
| Gennep to Pajara | 1,917.33 mi (3,085.64 km) |
| Gennep to Palafolls | 709.44 mi (1,141.74 km) |
| Gennep to Palafrugell | 688.65 mi (1,108.28 km) |
| Gennep to Palamos | 693.83 mi (1,116.62 km) |
| Gennep to Palencia | 831.13 mi (1,337.57 km) |
