| Frederikssund to Odessa (Texas) | 5,259.34 mi (8,464.09 km) |
| Frederikssund to Ogden (Utah) | 4,975.19 mi (8,006.79 km) |
| Frederikssund to Oildale (California) | 5,506.58 mi (8,861.99 km) |
| Frederikssund to Ojus (Florida) | 4,834.42 mi (7,780.25 km) |
| Frederikssund to Okemos (Michigan) | 4,078.53 mi (6,563.76 km) |
| Frederikssund to Oklahoma City (Oklahoma) | 4,900.41 mi (7,886.46 km) |
| Frederikssund to Okmulgee (Oklahoma) | 4,844.33 mi (7,796.20 km) |
| Frederikssund to Olathe (Kansas) | 4,622.05 mi (7,438.46 km) |
| Frederikssund to Old Jamestown (Missouri) | 4,479.21 mi (7,208.59 km) |
| Frederikssund to Oldsmar (Florida) | 4,810.62 mi (7,741.94 km) |
| Frederikssund to Olean (New York) | 3,908.72 mi (6,290.48 km) |
| Frederikssund to Olive Branch (Mississippi) | 4,679.11 mi (7,530.30 km) |
| Frederikssund to Olivehurst (California) | 5,336.94 mi (8,588.98 km) |
| Frederikssund to Olney (Maryland) | 4,012.18 mi (6,456.97 km) |
| Frederikssund to Olympia (Washington) | 4,865.66 mi (7,830.53 km) |
