| Bonn to Olympia Heights (Florida) | 4,754.08 mi (7,650.96 km) |
| Bonn to Omaha (Nebraska) | 4,579.20 mi (7,369.51 km) |
| Bonn to On Top of the World Designated Place (Florida) | 4,664.53 mi (7,506.83 km) |
| Bonn to Onalaska (Wisconsin) | 4,277.75 mi (6,884.38 km) |
| Bonn to Oneida (New York) | 3,734.81 mi (6,010.59 km) |
| Bonn to Oneonta (New York) | 3,738.56 mi (6,016.64 km) |
| Bonn to Ontario (California) | 5,683.34 mi (9,146.45 km) |
| Bonn to Ontario (Oregon) | 5,082.23 mi (8,179.06 km) |
| Bonn to Opa-locka (Florida) | 4,741.63 mi (7,630.92 km) |
| Bonn to Opelika (Alabama) | 4,611.78 mi (7,421.95 km) |
| Bonn to Opelousas (Louisiana) | 4,986.28 mi (8,024.64 km) |
| Bonn to Orange (California) | 5,703.67 mi (9,179.17 km) |
| Bonn to Orange (Texas) | 5,072.70 mi (8,163.72 km) |
| Bonn to Orange City (Florida) | 4,631.73 mi (7,454.05 km) |
| Bonn to Orangeburg (South Carolina) | 4,388.49 mi (7,062.59 km) |
