| Dent to Oswego (Illinois) | 258.87 mi (416.61 km) |
| Dent to Oswego (New York) | 515.27 mi (829.25 km) |
| Dent to Otsego (Minnesota) | 620.82 mi (999.11 km) |
| Dent to Ottawa (Illinois) | 265.63 mi (427.49 km) |
| Dent to Ottawa (Kansas) | 571.34 mi (919.48 km) |
| Dent to Ottumwa (Iowa) | 428.85 mi (690.16 km) |
| Dent to Overland (Missouri) | 308.63 mi (496.69 km) |
| Dent to Overland Park (Kansas) | 538.24 mi (866.21 km) |
| Dent to Overlea (Maryland) | 435.52 mi (700.89 km) |
| Dent to Oviedo (Florida) | 754.36 mi (1,214.03 km) |
| Dent to Owasso (Oklahoma) | 641.98 mi (1,033.17 km) |
| Dent to Owatonna (Minnesota) | 556.69 mi (895.91 km) |
| Dent to Owensboro (Kentucky) | 165.77 mi (266.77 km) |
| Dent to Owings Mills (Maryland) | 420.85 mi (677.30 km) |
| Dent to Owosso (Michigan) | 264.04 mi (424.92 km) |
