| Leverkusen to Olivenza | 1,093.21 mi (1,759.35 km) |
| Leverkusen to Olot | 647.38 mi (1,041.85 km) |
| Leverkusen to Onate | 706.98 mi (1,137.78 km) |
| Leverkusen to Onda | 840.61 mi (1,352.83 km) |
| Leverkusen to Onteniente | 920.61 mi (1,481.58 km) |
| Leverkusen to Orihuela | 974.71 mi (1,568.65 km) |
| Leverkusen to Osuna | 1,122.89 mi (1,807.12 km) |
| Leverkusen to Ourense | 922.31 mi (1,484.31 km) |
| Leverkusen to Oviedo | 800.34 mi (1,288.02 km) |
| Leverkusen to Paiporta | 877.96 mi (1,412.93 km) |
| Leverkusen to Pajara | 1,912.11 mi (3,077.24 km) |
| Leverkusen to Palafolls | 677.46 mi (1,090.27 km) |
| Leverkusen to Palafrugell | 655.32 mi (1,054.63 km) |
| Leverkusen to Palamos | 660.55 mi (1,063.05 km) |
| Leverkusen to Palencia | 827.43 mi (1,331.61 km) |
