| Roscoe to Oskaloosa (Iowa) | 202.62 mi (326.09 km) |
| Roscoe to Oswego (Illinois) | 61.77 mi (99.41 km) |
| Roscoe to Oswego (New York) | 636.02 mi (1,023.58 km) |
| Roscoe to Otsego (Minnesota) | 302.11 mi (486.20 km) |
| Roscoe to Ottawa (Illinois) | 74.53 mi (119.94 km) |
| Roscoe to Ottawa (Kansas) | 421.51 mi (678.36 km) |
| Roscoe to Ottumwa (Iowa) | 200.89 mi (323.30 km) |
| Roscoe to Overland (Missouri) | 267.35 mi (430.26 km) |
| Roscoe to Overland Park (Kansas) | 385.04 mi (619.65 km) |
| Roscoe to Overlea (Maryland) | 685.05 mi (1,102.48 km) |
| Roscoe to Oviedo (Florida) | 1,046.78 mi (1,684.64 km) |
| Roscoe to Owasso (Oklahoma) | 558.80 mi (899.30 km) |
| Roscoe to Owatonna (Minnesota) | 241.60 mi (388.82 km) |
| Roscoe to Owensboro (Kentucky) | 337.64 mi (543.39 km) |
| Roscoe to Owings Mills (Maryland) | 670.27 mi (1,078.69 km) |
