| Mut to Oswego (Illinois) | 5,896.35 mi (9,489.26 km) |
| Mut to Oswego (New York) | 5,373.71 mi (8,648.16 km) |
| Mut to Otsego (Minnesota) | 5,887.22 mi (9,474.57 km) |
| Mut to Ottawa (Illinois) | 5,930.17 mi (9,543.69 km) |
| Mut to Ottawa (Kansas) | 6,296.92 mi (10,133.92 km) |
| Mut to Ottumwa (Iowa) | 6,071.85 mi (9,771.71 km) |
| Mut to Overland (Missouri) | 6,120.92 mi (9,850.67 km) |
| Mut to Overland Park (Kansas) | 6,261.94 mi (10,077.62 km) |
| Mut to Overlea (Maryland) | 5,555.15 mi (8,940.15 km) |
| Mut to Oviedo (Florida) | 6,246.89 mi (10,053.41 km) |
| Mut to Owasso (Oklahoma) | 6,441.14 mi (10,366.01 km) |
| Mut to Owatonna (Minnesota) | 5,937.02 mi (9,554.71 km) |
| Mut to Owensboro (Kentucky) | 6,048.59 mi (9,734.26 km) |
| Mut to Owings Mills (Maryland) | 5,564.22 mi (8,954.74 km) |
| Mut to Owosso (Michigan) | 5,682.73 mi (9,145.47 km) |
