| Cities | Distance |
|---|---|
| Bonn to Oria | 869.39 mi (1,399.14 km) |
| Bonn to Oristano | 751.57 mi (1,209.53 km) |
| Bonn to Orta Nova | 768.69 mi (1,237.09 km) |
| Bonn to Orte | 623.87 mi (1,004.03 km) |
| Bonn to Ortona | 674.42 mi (1,085.38 km) |
| Bonn to Orvieto | 602.13 mi (969.04 km) |
| Bonn to Orzinuovi | 390.95 mi (629.17 km) |
| Bonn to Osimo | 583.48 mi (939.02 km) |
| Bonn to Ospitaletto | 383.04 mi (616.45 km) |
| Bonn to Ostuni | 854.36 mi (1,374.96 km) |
| Bonn to Ottaviano | 768.92 mi (1,237.46 km) |
| Bonn to Ovada | 427.13 mi (687.41 km) |
| Bonn to Ozieri | 707.12 mi (1,138.00 km) |
| Bonn to Paceco | 920.52 mi (1,481.43 km) |
| Bonn to Pachino | 1,046.11 mi (1,683.55 km) |