| Mainvilliers to Oswego (Illinois) | 4,148.15 mi (6,675.80 km) |
| Mainvilliers to Oswego (New York) | 3,595.53 mi (5,786.44 km) |
| Mainvilliers to Otsego (Minnesota) | 4,189.75 mi (6,742.75 km) |
| Mainvilliers to Ottawa (Illinois) | 4,182.09 mi (6,730.42 km) |
| Mainvilliers to Ottawa (Kansas) | 4,562.43 mi (7,342.52 km) |
| Mainvilliers to Ottumwa (Iowa) | 4,338.02 mi (6,981.38 km) |
| Mainvilliers to Overland (Missouri) | 4,364.52 mi (7,024.02 km) |
| Mainvilliers to Overland Park (Kansas) | 4,526.25 mi (7,284.29 km) |
| Mainvilliers to Overlea (Maryland) | 3,761.86 mi (6,054.12 km) |
| Mainvilliers to Oviedo (Florida) | 4,443.90 mi (7,151.76 km) |
| Mainvilliers to Owasso (Oklahoma) | 4,696.33 mi (7,558.02 km) |
| Mainvilliers to Owatonna (Minnesota) | 4,228.42 mi (6,804.99 km) |
| Mainvilliers to Owensboro (Kentucky) | 4,275.71 mi (6,881.09 km) |
| Mainvilliers to Owings Mills (Maryland) | 3,771.54 mi (6,069.70 km) |
| Mainvilliers to Owosso (Michigan) | 3,925.89 mi (6,318.11 km) |
