| Bergisch Gladbach to Olivenza | 1,095.63 mi (1,763.24 km) |
| Bergisch Gladbach to Olot | 647.02 mi (1,041.28 km) |
| Bergisch Gladbach to Onate | 709.19 mi (1,141.33 km) |
| Bergisch Gladbach to Onda | 841.03 mi (1,353.51 km) |
| Bergisch Gladbach to Onteniente | 920.93 mi (1,482.10 km) |
| Bergisch Gladbach to Orihuela | 975.02 mi (1,569.15 km) |
| Bergisch Gladbach to Osuna | 1,124.42 mi (1,809.58 km) |
| Bergisch Gladbach to Ourense | 925.94 mi (1,490.15 km) |
| Bergisch Gladbach to Oviedo | 803.80 mi (1,293.59 km) |
| Bergisch Gladbach to Paiporta | 878.32 mi (1,413.52 km) |
| Bergisch Gladbach to Pajara | 1,914.38 mi (3,080.90 km) |
| Bergisch Gladbach to Palafolls | 676.86 mi (1,089.30 km) |
| Bergisch Gladbach to Palafrugell | 654.55 mi (1,053.40 km) |
| Bergisch Gladbach to Palamos | 659.79 mi (1,061.82 km) |
| Bergisch Gladbach to Palencia | 830.02 mi (1,335.79 km) |
