| Roscoe to Odenton (Maryland) | 684.36 mi (1,101.37 km) |
| Roscoe to Odessa (Texas) | 1,032.10 mi (1,661.00 km) |
| Roscoe to Ogden (Utah) | 1,181.39 mi (1,901.26 km) |
| Roscoe to Oildale (California) | 1,674.61 mi (2,695.03 km) |
| Roscoe to Ojus (Florida) | 1,243.45 mi (2,001.15 km) |
| Roscoe to Okemos (Michigan) | 234.59 mi (377.54 km) |
| Roscoe to Oklahoma City (Oklahoma) | 662.64 mi (1,066.42 km) |
| Roscoe to Okmulgee (Oklahoma) | 601.75 mi (968.43 km) |
| Roscoe to Olathe (Kansas) | 390.61 mi (628.62 km) |
| Roscoe to Old Jamestown (Missouri) | 256.65 mi (413.04 km) |
| Roscoe to Oldsmar (Florida) | 1,054.85 mi (1,697.61 km) |
| Roscoe to Olean (New York) | 541.05 mi (870.74 km) |
| Roscoe to Olive Branch (Mississippi) | 517.72 mi (833.20 km) |
| Roscoe to Olivehurst (California) | 1,708.59 mi (2,749.72 km) |
| Roscoe to Olney (Maryland) | 663.59 mi (1,067.94 km) |
