| Fredericia to Oswego (Illinois) | 4,195.31 mi (6,751.70 km) |
| Fredericia to Oswego (New York) | 3,700.14 mi (5,954.79 km) |
| Fredericia to Otsego (Minnesota) | 4,173.49 mi (6,716.59 km) |
| Fredericia to Ottawa (Illinois) | 4,228.91 mi (6,805.77 km) |
| Fredericia to Ottawa (Kansas) | 4,588.93 mi (7,385.17 km) |
| Fredericia to Ottumwa (Iowa) | 4,364.41 mi (7,023.84 km) |
| Fredericia to Overland (Missouri) | 4,423.09 mi (7,118.27 km) |
| Fredericia to Overland Park (Kansas) | 4,554.44 mi (7,329.66 km) |
| Fredericia to Overlea (Maryland) | 3,905.48 mi (6,285.27 km) |
| Fredericia to Oviedo (Florida) | 4,643.42 mi (7,472.86 km) |
| Fredericia to Owasso (Oklahoma) | 4,736.22 mi (7,622.21 km) |
| Fredericia to Owatonna (Minnesota) | 4,224.42 mi (6,798.54 km) |
| Fredericia to Owensboro (Kentucky) | 4,363.58 mi (7,022.50 km) |
| Fredericia to Owings Mills (Maryland) | 3,912.96 mi (6,297.30 km) |
| Fredericia to Owosso (Michigan) | 3,987.69 mi (6,417.56 km) |
