| Marienberg to Olympia Heights (Florida) | 5,008.95 mi (8,061.13 km) |
| Marienberg to Omaha (Nebraska) | 4,789.97 mi (7,708.71 km) |
| Marienberg to On Top of the World Designated Place (Florida) | 4,914.07 mi (7,908.44 km) |
| Marienberg to Onalaska (Wisconsin) | 4,491.13 mi (7,227.77 km) |
| Marienberg to Oneida (New York) | 3,971.38 mi (6,391.31 km) |
| Marienberg to Oneonta (New York) | 3,977.00 mi (6,400.37 km) |
| Marienberg to Ontario (California) | 5,863.14 mi (9,435.82 km) |
| Marienberg to Ontario (Oregon) | 5,245.17 mi (8,441.28 km) |
| Marienberg to Opa-locka (Florida) | 4,996.42 mi (8,040.96 km) |
| Marienberg to Opelika (Alabama) | 4,853.27 mi (7,810.58 km) |
| Marienberg to Opelousas (Louisiana) | 5,221.66 mi (8,403.45 km) |
| Marienberg to Orange (California) | 5,883.35 mi (9,468.34 km) |
| Marienberg to Orange (Texas) | 5,306.17 mi (8,539.46 km) |
| Marienberg to Orange City (Florida) | 4,882.51 mi (7,857.64 km) |
| Marienberg to Orangeburg (South Carolina) | 4,634.26 mi (7,458.12 km) |
