| Frederikssund to Oakley (California) | 5,408.34 mi (8,703.89 km) |
| Frederikssund to Oakton (Virginia) | 4,033.71 mi (6,491.63 km) |
| Frederikssund to Oakville (Missouri) | 4,501.89 mi (7,245.10 km) |
| Frederikssund to Oatfield (Oregon) | 4,961.69 mi (7,985.06 km) |
| Frederikssund to Ocala (Florida) | 4,729.41 mi (7,611.26 km) |
| Frederikssund to Ocean Acres (New Jersey) | 3,882.02 mi (6,247.50 km) |
| Frederikssund to Ocean City (New Jersey) | 3,917.82 mi (6,305.13 km) |
| Frederikssund to Ocean Pines (Maryland) | 3,982.90 mi (6,409.85 km) |
| Frederikssund to Ocean Pointe (Hawaii) | 7,074.76 mi (11,385.73 km) |
| Frederikssund to Ocean Springs (Mississippi) | 4,897.10 mi (7,881.13 km) |
| Frederikssund to Oceanside (California) | 5,601.02 mi (9,013.97 km) |
| Frederikssund to Oceanside (New York) | 3,813.78 mi (6,137.69 km) |
| Frederikssund to Ocoee (Florida) | 4,739.92 mi (7,628.16 km) |
| Frederikssund to Oconomowoc (Wisconsin) | 4,190.34 mi (6,743.70 km) |
| Frederikssund to Odenton (Maryland) | 4,002.93 mi (6,442.10 km) |
