| Lage to Olympia Heights (Florida) | 4,801.31 mi (7,726.97 km) |
| Lage to Omaha (Nebraska) | 4,584.95 mi (7,378.76 km) |
| Lage to On Top of the World Designated Place (Florida) | 4,704.78 mi (7,571.62 km) |
| Lage to Onalaska (Wisconsin) | 4,285.33 mi (6,896.57 km) |
| Lage to Oneida (New York) | 3,761.39 mi (6,053.37 km) |
| Lage to Oneonta (New York) | 3,766.94 mi (6,062.30 km) |
| Lage to Ontario (California) | 5,669.52 mi (9,124.21 km) |
| Lage to Ontario (Oregon) | 5,058.81 mi (8,141.37 km) |
| Lage to Opa-locka (Florida) | 4,788.74 mi (7,706.74 km) |
| Lage to Opelika (Alabama) | 4,643.18 mi (7,472.47 km) |
| Lage to Opelousas (Louisiana) | 5,011.81 mi (8,065.72 km) |
| Lage to Orange (California) | 5,689.78 mi (9,156.82 km) |
| Lage to Orange (Texas) | 5,096.50 mi (8,202.03 km) |
| Lage to Orange City (Florida) | 4,673.50 mi (7,521.28 km) |
| Lage to Orangeburg (South Carolina) | 4,424.41 mi (7,120.40 km) |
