| Ringsted to Olympia Heights (Florida) | 4,851.47 mi (7,807.69 km) |
| Ringsted to Omaha (Nebraska) | 4,535.15 mi (7,298.63 km) |
| Ringsted to On Top of the World Designated Place (Florida) | 4,737.72 mi (7,624.63 km) |
| Ringsted to Onalaska (Wisconsin) | 4,240.97 mi (6,825.19 km) |
| Ringsted to Oneida (New York) | 3,764.67 mi (6,058.65 km) |
| Ringsted to Oneonta (New York) | 3,774.54 mi (6,074.53 km) |
| Ringsted to Ontario (California) | 5,571.55 mi (8,966.55 km) |
| Ringsted to Ontario (Oregon) | 4,941.51 mi (7,952.59 km) |
| Ringsted to Opa-locka (Florida) | 4,838.65 mi (7,787.05 km) |
| Ringsted to Opelika (Alabama) | 4,654.42 mi (7,490.56 km) |
| Ringsted to Opelousas (Louisiana) | 5,007.40 mi (8,058.64 km) |
| Ringsted to Orange (California) | 5,591.61 mi (8,998.83 km) |
| Ringsted to Orange (Texas) | 5,087.62 mi (8,187.74 km) |
| Ringsted to Orange City (Florida) | 4,710.35 mi (7,580.58 km) |
| Ringsted to Orangeburg (South Carolina) | 4,447.63 mi (7,157.77 km) |
