| Sheridan to Olympia (Washington) | 779.89 mi (1,255.11 km) |
| Sheridan to Olympia Heights (Florida) | 1,981.59 mi (3,189.06 km) |
| Sheridan to Omaha (Nebraska) | 602.11 mi (969.01 km) |
| Sheridan to On Top of the World Designated Place (Florida) | 1,729.16 mi (2,782.81 km) |
| Sheridan to Onalaska (Wisconsin) | 779.89 mi (1,255.12 km) |
| Sheridan to Oneida (New York) | 1,552.30 mi (2,498.18 km) |
| Sheridan to Oneonta (New York) | 1,593.20 mi (2,564.00 km) |
| Sheridan to Ontario (California) | 933.71 mi (1,502.66 km) |
| Sheridan to Ontario (Oregon) | 496.68 mi (799.33 km) |
| Sheridan to Opa-locka (Florida) | 1,975.97 mi (3,180.02 km) |
| Sheridan to Opelika (Alabama) | 1,426.78 mi (2,296.18 km) |
| Sheridan to Opelousas (Louisiana) | 1,274.33 mi (2,050.84 km) |
| Sheridan to Orange (California) | 954.11 mi (1,535.48 km) |
| Sheridan to Orange (Texas) | 1,242.36 mi (1,999.38 km) |
| Sheridan to Orange City (Florida) | 1,780.02 mi (2,864.66 km) |
