| Asslar to Olympia Heights (Florida) | 4,814.52 mi (7,748.23 km) |
| Asslar to Omaha (Nebraska) | 4,633.07 mi (7,456.21 km) |
| Asslar to On Top of the World Designated Place (Florida) | 4,724.42 mi (7,603.21 km) |
| Asslar to Onalaska (Wisconsin) | 4,332.04 mi (6,971.75 km) |
| Asslar to Oneida (New York) | 3,792.88 mi (6,104.05 km) |
| Asslar to Oneonta (New York) | 3,796.91 mi (6,110.54 km) |
| Asslar to Ontario (California) | 5,731.70 mi (9,224.28 km) |
| Asslar to Ontario (Oregon) | 5,127.22 mi (8,251.46 km) |
| Asslar to Opa-locka (Florida) | 4,802.07 mi (7,728.18 km) |
| Asslar to Opelika (Alabama) | 4,670.63 mi (7,516.65 km) |
| Asslar to Opelousas (Louisiana) | 5,044.26 mi (8,117.95 km) |
| Asslar to Orange (California) | 5,752.01 mi (9,256.97 km) |
| Asslar to Orange (Texas) | 5,130.40 mi (8,256.58 km) |
| Asslar to Orange City (Florida) | 4,691.76 mi (7,550.66 km) |
| Asslar to Orangeburg (South Carolina) | 4,447.90 mi (7,158.21 km) |
