| Plymouth to Oswego (Illinois) | 3,863.61 mi (6,217.88 km) |
| Plymouth to Oswego (New York) | 3,311.74 mi (5,329.73 km) |
| Plymouth to Otsego (Minnesota) | 3,907.16 mi (6,287.97 km) |
| Plymouth to Ottawa (Illinois) | 3,897.55 mi (6,272.50 km) |
| Plymouth to Ottawa (Kansas) | 4,278.05 mi (6,884.86 km) |
| Plymouth to Ottumwa (Iowa) | 4,053.71 mi (6,523.82 km) |
| Plymouth to Overland (Missouri) | 4,080.00 mi (6,566.12 km) |
| Plymouth to Overland Park (Kansas) | 4,241.85 mi (6,826.60 km) |
| Plymouth to Overlea (Maryland) | 3,480.38 mi (5,601.13 km) |
| Plymouth to Oviedo (Florida) | 4,169.14 mi (6,709.58 km) |
| Plymouth to Owasso (Oklahoma) | 4,411.79 mi (7,100.09 km) |
| Plymouth to Owatonna (Minnesota) | 3,945.17 mi (6,349.14 km) |
| Plymouth to Owensboro (Kentucky) | 3,991.71 mi (6,424.04 km) |
| Plymouth to Owings Mills (Maryland) | 3,489.91 mi (5,616.46 km) |
| Plymouth to Owosso (Michigan) | 3,641.34 mi (5,860.18 km) |
