| Kaiserslautern to Olympia Heights (Florida) | 4,806.61 mi (7,735.49 km) |
| Kaiserslautern to Omaha (Nebraska) | 4,656.77 mi (7,494.35 km) |
| Kaiserslautern to On Top of the World Designated Place (Florida) | 4,722.15 mi (7,599.57 km) |
| Kaiserslautern to Onalaska (Wisconsin) | 4,354.57 mi (7,008.01 km) |
| Kaiserslautern to Oneida (New York) | 3,801.74 mi (6,118.32 km) |
| Kaiserslautern to Oneonta (New York) | 3,804.42 mi (6,122.62 km) |
| Kaiserslautern to Ontario (California) | 5,768.58 mi (9,283.63 km) |
| Kaiserslautern to Ontario (Oregon) | 5,170.61 mi (8,321.30 km) |
| Kaiserslautern to Opa-locka (Florida) | 4,794.25 mi (7,715.60 km) |
| Kaiserslautern to Opelika (Alabama) | 4,675.32 mi (7,524.21 km) |
| Kaiserslautern to Opelousas (Louisiana) | 5,053.26 mi (8,132.43 km) |
| Kaiserslautern to Orange (California) | 5,788.93 mi (9,316.38 km) |
| Kaiserslautern to Orange (Texas) | 5,140.66 mi (8,273.09 km) |
| Kaiserslautern to Orange City (Florida) | 4,688.31 mi (7,545.10 km) |
| Kaiserslautern to Orangeburg (South Carolina) | 4,449.21 mi (7,160.31 km) |
