| Fosses to Oswego (Illinois) | 4,166.43 mi (6,705.22 km) |
| Fosses to Oswego (New York) | 3,618.94 mi (5,824.12 km) |
| Fosses to Otsego (Minnesota) | 4,201.39 mi (6,761.49 km) |
| Fosses to Ottawa (Illinois) | 4,200.38 mi (6,759.86 km) |
| Fosses to Ottawa (Kansas) | 4,579.11 mi (7,369.36 km) |
| Fosses to Ottumwa (Iowa) | 4,354.39 mi (7,007.71 km) |
| Fosses to Overland (Missouri) | 4,384.29 mi (7,055.83 km) |
| Fosses to Overland Park (Kansas) | 4,543.06 mi (7,311.34 km) |
| Fosses to Overlea (Maryland) | 3,789.54 mi (6,098.68 km) |
| Fosses to Oviedo (Florida) | 4,478.07 mi (7,206.75 km) |
| Fosses to Owasso (Oklahoma) | 4,714.58 mi (7,587.39 km) |
| Fosses to Owatonna (Minnesota) | 4,241.42 mi (6,825.91 km) |
| Fosses to Owensboro (Kentucky) | 4,298.40 mi (6,917.60 km) |
| Fosses to Owings Mills (Maryland) | 3,799.01 mi (6,113.92 km) |
| Fosses to Owosso (Michigan) | 3,945.37 mi (6,349.46 km) |
