| Bonn to Olivenza | 1,082.04 mi (1,741.38 km) |
| Bonn to Olot | 629.95 mi (1,013.81 km) |
| Bonn to Onate | 695.29 mi (1,118.96 km) |
| Bonn to Onda | 824.66 mi (1,327.16 km) |
| Bonn to Onteniente | 904.45 mi (1,455.57 km) |
| Bonn to Orihuela | 958.53 mi (1,542.60 km) |
| Bonn to Osuna | 1,109.40 mi (1,785.41 km) |
| Bonn to Ourense | 914.86 mi (1,472.32 km) |
| Bonn to Oviedo | 792.36 mi (1,275.18 km) |
| Bonn to Paiporta | 861.89 mi (1,387.08 km) |
| Bonn to Pajara | 1,900.50 mi (3,058.56 km) |
| Bonn to Palafolls | 659.60 mi (1,061.53 km) |
| Bonn to Palafrugell | 637.19 mi (1,025.45 km) |
| Bonn to Palamos | 642.42 mi (1,033.88 km) |
| Bonn to Palencia | 816.79 mi (1,314.49 km) |
