| Ham Lake to Olympia Heights (Florida) | 1,526.81 mi (2,457.16 km) |
| Ham Lake to Omaha (Nebraska) | 310.79 mi (500.16 km) |
| Ham Lake to On Top of the World Designated Place (Florida) | 1,264.59 mi (2,035.15 km) |
| Ham Lake to Onalaska (Wisconsin) | 136.25 mi (219.27 km) |
| Ham Lake to Oneida (New York) | 880.51 mi (1,417.04 km) |
| Ham Lake to Oneonta (New York) | 922.01 mi (1,483.84 km) |
| Ham Lake to Ontario (California) | 1,502.97 mi (2,418.80 km) |
| Ham Lake to Ontario (Oregon) | 1,167.52 mi (1,878.94 km) |
| Ham Lake to Opa-locka (Florida) | 1,517.97 mi (2,442.93 km) |
| Ham Lake to Opelika (Alabama) | 965.25 mi (1,553.43 km) |
| Ham Lake to Opelousas (Louisiana) | 1,019.51 mi (1,640.74 km) |
| Ham Lake to Orange (California) | 1,522.76 mi (2,450.65 km) |
| Ham Lake to Orange (Texas) | 1,045.95 mi (1,683.29 km) |
| Ham Lake to Orange City (Florida) | 1,301.60 mi (2,094.73 km) |
| Ham Lake to Orangeburg (South Carolina) | 1,043.69 mi (1,679.66 km) |
