| Kannapolis to Olympia Heights (Florida) | 674.06 mi (1,084.80 km) |
| Kannapolis to Omaha (Nebraska) | 923.87 mi (1,486.83 km) |
| Kannapolis to On Top of the World Designated Place (Florida) | 450.52 mi (725.04 km) |
| Kannapolis to Onalaska (Wisconsin) | 807.09 mi (1,298.89 km) |
| Kannapolis to Oneida (New York) | 588.52 mi (947.12 km) |
| Kannapolis to Oneonta (New York) | 567.29 mi (912.96 km) |
| Kannapolis to Ontario (California) | 2,088.43 mi (3,361.00 km) |
| Kannapolis to Ontario (Oregon) | 2,000.29 mi (3,219.16 km) |
| Kannapolis to Opa-locka (Florida) | 662.08 mi (1,065.52 km) |
| Kannapolis to Opelika (Alabama) | 333.56 mi (536.82 km) |
| Kannapolis to Opelousas (Louisiana) | 745.30 mi (1,199.45 km) |
| Kannapolis to Orange (California) | 2,104.26 mi (3,386.48 km) |
| Kannapolis to Orange (Texas) | 846.02 mi (1,361.53 km) |
| Kannapolis to Orange City (Florida) | 453.56 mi (729.93 km) |
| Kannapolis to Orangeburg (South Carolina) | 137.66 mi (221.54 km) |
