| Wermelskirchen to Olivenza | 1,106.05 mi (1,780.02 km) |
| Wermelskirchen to Olot | 658.57 mi (1,059.86 km) |
| Wermelskirchen to Onate | 719.77 mi (1,158.35 km) |
| Wermelskirchen to Onda | 852.45 mi (1,371.88 km) |
| Wermelskirchen to Onteniente | 932.37 mi (1,500.51 km) |
| Wermelskirchen to Orihuela | 986.47 mi (1,587.56 km) |
| Wermelskirchen to Osuna | 1,135.41 mi (1,827.26 km) |
| Wermelskirchen to Ourense | 935.23 mi (1,505.10 km) |
| Wermelskirchen to Oviedo | 813.28 mi (1,308.84 km) |
| Wermelskirchen to Paiporta | 889.75 mi (1,431.92 km) |
| Wermelskirchen to Pajara | 1,924.92 mi (3,097.85 km) |
| Wermelskirchen to Palafolls | 688.41 mi (1,107.90 km) |
| Wermelskirchen to Palafrugell | 666.10 mi (1,071.99 km) |
| Wermelskirchen to Palamos | 671.34 mi (1,080.42 km) |
| Wermelskirchen to Palencia | 840.31 mi (1,352.35 km) |
