| Rocky Mount to Oskaloosa (Iowa) | 879.67 mi (1,415.70 km) |
| Rocky Mount to Oswego (Illinois) | 690.10 mi (1,110.60 km) |
| Rocky Mount to Oswego (New York) | 521.63 mi (839.49 km) |
| Rocky Mount to Otsego (Minnesota) | 1,045.97 mi (1,683.32 km) |
| Rocky Mount to Ottawa (Illinois) | 700.69 mi (1,127.65 km) |
| Rocky Mount to Ottawa (Kansas) | 975.31 mi (1,569.60 km) |
| Rocky Mount to Ottumwa (Iowa) | 862.50 mi (1,388.07 km) |
| Rocky Mount to Overland (Missouri) | 714.90 mi (1,150.52 km) |
| Rocky Mount to Overland Park (Kansas) | 946.55 mi (1,523.33 km) |
| Rocky Mount to Overlea (Maryland) | 244.94 mi (394.19 km) |
| Rocky Mount to Oviedo (Florida) | 542.26 mi (872.68 km) |
| Rocky Mount to Owasso (Oklahoma) | 1,004.82 mi (1,617.10 km) |
| Rocky Mount to Owatonna (Minnesota) | 987.91 mi (1,589.89 km) |
| Rocky Mount to Owensboro (Kentucky) | 529.21 mi (851.68 km) |
| Rocky Mount to Owings Mills (Maryland) | 244.24 mi (393.07 km) |
