| Unterwellenborn to Olivenza | 1,224.31 mi (1,970.33 km) |
| Unterwellenborn to Olot | 723.34 mi (1,164.10 km) |
| Unterwellenborn to Onate | 838.20 mi (1,348.96 km) |
| Unterwellenborn to Onda | 930.21 mi (1,497.03 km) |
| Unterwellenborn to Onteniente | 1,006.45 mi (1,619.73 km) |
| Unterwellenborn to Orihuela | 1,059.48 mi (1,705.06 km) |
| Unterwellenborn to Osuna | 1,234.33 mi (1,986.46 km) |
| Unterwellenborn to Ourense | 1,078.48 mi (1,735.64 km) |
| Unterwellenborn to Oviedo | 954.43 mi (1,536.00 km) |
| Unterwellenborn to Paiporta | 965.65 mi (1,554.06 km) |
| Unterwellenborn to Pajara | 2,036.06 mi (3,276.72 km) |
| Unterwellenborn to Palafolls | 746.37 mi (1,201.17 km) |
| Unterwellenborn to Palafrugell | 720.81 mi (1,160.03 km) |
| Unterwellenborn to Palamos | 725.97 mi (1,168.34 km) |
| Unterwellenborn to Palencia | 964.65 mi (1,552.46 km) |
