| Roscoe to Olympia (Washington) | 1,679.87 mi (2,703.49 km) |
| Roscoe to Olympia Heights (Florida) | 1,254.40 mi (2,018.76 km) |
| Roscoe to Omaha (Nebraska) | 371.27 mi (597.50 km) |
| Roscoe to On Top of the World Designated Place (Florida) | 993.62 mi (1,599.08 km) |
| Roscoe to Onalaska (Wisconsin) | 149.99 mi (241.38 km) |
| Roscoe to Oneida (New York) | 677.90 mi (1,090.98 km) |
| Roscoe to Oneonta (New York) | 710.09 mi (1,142.78 km) |
| Roscoe to Ontario (California) | 1,647.13 mi (2,650.81 km) |
| Roscoe to Ontario (Oregon) | 1,405.60 mi (2,262.10 km) |
| Roscoe to Opa-locka (Florida) | 1,244.95 mi (2,003.55 km) |
| Roscoe to Opelika (Alabama) | 703.18 mi (1,131.67 km) |
| Roscoe to Opelousas (Louisiana) | 839.61 mi (1,351.23 km) |
| Roscoe to Orange (California) | 1,665.86 mi (2,680.94 km) |
| Roscoe to Orange (Texas) | 889.91 mi (1,432.18 km) |
| Roscoe to Orange City (Florida) | 1,026.78 mi (1,652.45 km) |
