| West Memphis to Oskaloosa (Iowa) | 444.33 mi (715.08 km) |
| West Memphis to Oswego (Illinois) | 462.30 mi (744.00 km) |
| West Memphis to Oswego (New York) | 928.09 mi (1,493.62 km) |
| West Memphis to Otsego (Minnesota) | 721.49 mi (1,161.12 km) |
| West Memphis to Ottawa (Illinois) | 434.96 mi (700.01 km) |
| West Memphis to Ottawa (Kansas) | 367.37 mi (591.23 km) |
| West Memphis to Ottumwa (Iowa) | 422.87 mi (680.55 km) |
| West Memphis to Overland (Missouri) | 245.02 mi (394.32 km) |
| West Memphis to Overland Park (Kansas) | 357.45 mi (575.27 km) |
| West Memphis to Overlea (Maryland) | 805.66 mi (1,296.59 km) |
| West Memphis to Oviedo (Florida) | 692.83 mi (1,115.01 km) |
| West Memphis to Owasso (Oklahoma) | 325.43 mi (523.73 km) |
| West Memphis to Owatonna (Minnesota) | 638.17 mi (1,027.03 km) |
| West Memphis to Owensboro (Kentucky) | 248.42 mi (399.79 km) |
| West Memphis to Owings Mills (Maryland) | 792.67 mi (1,275.67 km) |
