| Magstadt to Olympia Heights (Florida) | 4,872.34 mi (7,841.28 km) |
| Magstadt to Omaha (Nebraska) | 4,729.32 mi (7,611.10 km) |
| Magstadt to On Top of the World Designated Place (Florida) | 4,789.82 mi (7,708.47 km) |
| Magstadt to Onalaska (Wisconsin) | 4,427.05 mi (7,124.65 km) |
| Magstadt to Oneida (New York) | 3,872.38 mi (6,231.99 km) |
| Magstadt to Oneonta (New York) | 3,874.77 mi (6,235.84 km) |
| Magstadt to Ontario (California) | 5,840.91 mi (9,400.04 km) |
| Magstadt to Ontario (Oregon) | 5,242.02 mi (8,436.22 km) |
| Magstadt to Opa-locka (Florida) | 4,860.03 mi (7,821.46 km) |
| Magstadt to Opelika (Alabama) | 4,744.95 mi (7,636.25 km) |
| Magstadt to Opelousas (Louisiana) | 5,123.83 mi (8,246.00 km) |
| Magstadt to Orange (California) | 5,861.26 mi (9,432.78 km) |
| Magstadt to Orange (Texas) | 5,211.48 mi (8,387.06 km) |
| Magstadt to Orange City (Florida) | 4,755.60 mi (7,653.40 km) |
| Magstadt to Orangeburg (South Carolina) | 4,517.96 mi (7,270.95 km) |
