| Lac to Oswego (Illinois) | 5,140.72 mi (8,273.20 km) |
| Lac to Oswego (New York) | 4,597.07 mi (7,398.27 km) |
| Lac to Otsego (Minnesota) | 5,162.30 mi (8,307.92 km) |
| Lac to Ottawa (Illinois) | 5,174.68 mi (8,327.84 km) |
| Lac to Ottawa (Kansas) | 5,550.73 mi (8,933.04 km) |
| Lac to Ottumwa (Iowa) | 5,325.64 mi (8,570.79 km) |
| Lac to Overland (Missouri) | 5,360.23 mi (8,626.46 km) |
| Lac to Overland Park (Kansas) | 5,514.93 mi (8,875.42 km) |
| Lac to Overlea (Maryland) | 4,766.14 mi (7,670.36 km) |
| Lac to Oviedo (Florida) | 5,443.04 mi (8,759.73 km) |
| Lac to Owasso (Oklahoma) | 5,688.57 mi (9,154.87 km) |
| Lac to Owatonna (Minnesota) | 5,205.75 mi (8,377.85 km) |
| Lac to Owensboro (Kentucky) | 5,276.33 mi (8,491.43 km) |
| Lac to Owings Mills (Maryland) | 4,775.79 mi (7,685.89 km) |
| Lac to Owosso (Michigan) | 4,921.17 mi (7,919.85 km) |
