| Kelsterbach to Olivenza | 1,097.45 mi (1,766.18 km) |
| Kelsterbach to Olot | 616.05 mi (991.44 km) |
| Kelsterbach to Onate | 710.32 mi (1,143.15 km) |
| Kelsterbach to Onda | 818.15 mi (1,316.68 km) |
| Kelsterbach to Onteniente | 896.40 mi (1,442.61 km) |
| Kelsterbach to Orihuela | 950.12 mi (1,529.08 km) |
| Kelsterbach to Osuna | 1,114.35 mi (1,793.37 km) |
| Kelsterbach to Ourense | 945.23 mi (1,521.20 km) |
| Kelsterbach to Oviedo | 821.38 mi (1,321.89 km) |
| Kelsterbach to Paiporta | 854.59 mi (1,375.33 km) |
| Kelsterbach to Pajara | 1,912.51 mi (3,077.88 km) |
| Kelsterbach to Palafolls | 642.63 mi (1,034.22 km) |
| Kelsterbach to Palafrugell | 618.51 mi (995.40 km) |
| Kelsterbach to Palamos | 623.76 mi (1,003.84 km) |
| Kelsterbach to Palencia | 835.46 mi (1,344.54 km) |
