| Covington to Olympia Heights (Florida) | 951.04 mi (1,530.55 km) |
| Covington to Omaha (Nebraska) | 627.91 mi (1,010.52 km) |
| Covington to On Top of the World Designated Place (Florida) | 697.63 mi (1,122.73 km) |
| Covington to Onalaska (Wisconsin) | 481.92 mi (775.58 km) |
| Covington to Oneida (New York) | 538.89 mi (867.26 km) |
| Covington to Oneonta (New York) | 547.84 mi (881.67 km) |
| Covington to Ontario (California) | 1,858.51 mi (2,990.98 km) |
| Covington to Ontario (Oregon) | 1,702.42 mi (2,739.79 km) |
| Covington to Opa-locka (Florida) | 940.52 mi (1,513.62 km) |
| Covington to Opelika (Alabama) | 442.90 mi (712.78 km) |
| Covington to Opelousas (Louisiana) | 727.31 mi (1,170.48 km) |
| Covington to Orange (California) | 1,875.80 mi (3,018.80 km) |
| Covington to Orange (Texas) | 808.74 mi (1,301.54 km) |
| Covington to Orange City (Florida) | 721.70 mi (1,161.46 km) |
| Covington to Orangeburg (South Carolina) | 433.36 mi (697.42 km) |
