| Cities | Distance |
|---|---|
| Cologne to Oria | 884.29 mi (1,423.13 km) |
| Cologne to Oristano | 766.22 mi (1,233.11 km) |
| Cologne to Orta Nova | 783.84 mi (1,261.47 km) |
| Cologne to Orte | 639.30 mi (1,028.86 km) |
| Cologne to Ortona | 689.67 mi (1,109.91 km) |
| Cologne to Orvieto | 617.57 mi (993.88 km) |
| Cologne to Orzinuovi | 406.35 mi (653.96 km) |
| Cologne to Osimo | 598.74 mi (963.57 km) |
| Cologne to Ospitaletto | 398.46 mi (641.27 km) |
| Cologne to Ostuni | 869.24 mi (1,398.90 km) |
| Cologne to Ottaviano | 784.28 mi (1,262.18 km) |
| Cologne to Ovada | 442.11 mi (711.50 km) |
| Cologne to Ozieri | 721.94 mi (1,161.85 km) |
| Cologne to Paceco | 935.88 mi (1,506.15 km) |
| Cologne to Pachino | 1,061.54 mi (1,708.39 km) |