| Roswell to Oskaloosa (Iowa) | 675.11 mi (1,086.49 km) |
| Roswell to Oswego (Illinois) | 570.99 mi (918.93 km) |
| Roswell to Oswego (New York) | 775.01 mi (1,247.25 km) |
| Roswell to Otsego (Minnesota) | 917.73 mi (1,476.95 km) |
| Roswell to Ottawa (Illinois) | 561.39 mi (903.46 km) |
| Roswell to Ottawa (Kansas) | 683.69 mi (1,100.29 km) |
| Roswell to Ottumwa (Iowa) | 653.62 mi (1,051.90 km) |
| Roswell to Overland (Missouri) | 464.16 mi (746.99 km) |
| Roswell to Overland Park (Kansas) | 664.24 mi (1,068.99 km) |
| Roswell to Overlea (Maryland) | 568.53 mi (914.96 km) |
| Roswell to Oviedo (Florida) | 415.98 mi (669.45 km) |
| Roswell to Owasso (Oklahoma) | 666.34 mi (1,072.36 km) |
| Roswell to Owatonna (Minnesota) | 841.06 mi (1,353.56 km) |
| Roswell to Owensboro (Kentucky) | 299.91 mi (482.66 km) |
| Roswell to Owings Mills (Maryland) | 559.14 mi (899.84 km) |
