| Monchengladbach to Olivenza | 1,085.23 mi (1,746.51 km) |
| Monchengladbach to Olot | 650.26 mi (1,046.49 km) |
| Monchengladbach to Onate | 700.03 mi (1,126.59 km) |
| Monchengladbach to Onda | 840.41 mi (1,352.51 km) |
| Monchengladbach to Onteniente | 920.74 mi (1,481.78 km) |
| Monchengladbach to Orihuela | 974.85 mi (1,568.86 km) |
| Monchengladbach to Osuna | 1,118.33 mi (1,799.78 km) |
| Monchengladbach to Ourense | 909.70 mi (1,464.02 km) |
| Monchengladbach to Oviedo | 788.45 mi (1,268.88 km) |
| Monchengladbach to Paiporta | 877.93 mi (1,412.89 km) |
| Monchengladbach to Pajara | 1,904.53 mi (3,065.04 km) |
| Monchengladbach to Palafolls | 681.23 mi (1,096.34 km) |
| Monchengladbach to Palafrugell | 659.74 mi (1,061.75 km) |
| Monchengladbach to Palamos | 664.95 mi (1,070.13 km) |
| Monchengladbach to Palencia | 818.89 mi (1,317.88 km) |
