| Columbia Heights to Olympia Heights (Florida) | 1,515.91 mi (2,439.63 km) |
| Columbia Heights to Omaha (Nebraska) | 297.30 mi (478.46 km) |
| Columbia Heights to On Top of the World Designated Place (Florida) | 1,253.63 mi (2,017.52 km) |
| Columbia Heights to Onalaska (Wisconsin) | 128.60 mi (206.96 km) |
| Columbia Heights to Oneida (New York) | 881.83 mi (1,419.17 km) |
| Columbia Heights to Oneonta (New York) | 922.82 mi (1,485.13 km) |
| Columbia Heights to Ontario (California) | 1,495.62 mi (2,406.96 km) |
| Columbia Heights to Ontario (Oregon) | 1,166.57 mi (1,877.41 km) |
| Columbia Heights to Opa-locka (Florida) | 1,507.14 mi (2,425.50 km) |
| Columbia Heights to Opelika (Alabama) | 953.76 mi (1,534.94 km) |
| Columbia Heights to Opelousas (Louisiana) | 1,005.44 mi (1,618.10 km) |
| Columbia Heights to Orange (California) | 1,515.36 mi (2,438.74 km) |
| Columbia Heights to Orange (Texas) | 1,031.65 mi (1,660.28 km) |
| Columbia Heights to Orange City (Florida) | 1,291.02 mi (2,077.70 km) |
| Columbia Heights to Orangeburg (South Carolina) | 1,034.80 mi (1,665.36 km) |
