| Wismar to Olympia Heights (Florida) | 4,870.38 mi (7,838.12 km) |
| Wismar to Omaha (Nebraska) | 4,591.23 mi (7,388.87 km) |
| Wismar to On Top of the World Designated Place (Florida) | 4,763.37 mi (7,665.91 km) |
| Wismar to Onalaska (Wisconsin) | 4,294.96 mi (6,912.08 km) |
| Wismar to Oneida (New York) | 3,801.00 mi (6,117.11 km) |
| Wismar to Oneonta (New York) | 3,809.24 mi (6,130.39 km) |
| Wismar to Ontario (California) | 5,644.19 mi (9,083.45 km) |
| Wismar to Ontario (Oregon) | 5,019.89 mi (8,078.73 km) |
| Wismar to Opa-locka (Florida) | 4,857.65 mi (7,817.63 km) |
| Wismar to Opelika (Alabama) | 4,688.37 mi (7,545.20 km) |
| Wismar to Opelousas (Louisiana) | 5,047.44 mi (8,123.08 km) |
| Wismar to Orange (California) | 5,664.33 mi (9,115.85 km) |
| Wismar to Orange (Texas) | 5,129.37 mi (8,254.92 km) |
| Wismar to Orange City (Florida) | 4,734.45 mi (7,619.37 km) |
| Wismar to Orangeburg (South Carolina) | 4,476.87 mi (7,204.82 km) |
