| Heber to Olympia Heights (Florida) | 2,051.57 mi (3,301.69 km) |
| Heber to Omaha (Nebraska) | 802.26 mi (1,291.11 km) |
| Heber to On Top of the World Designated Place (Florida) | 1,818.42 mi (2,926.47 km) |
| Heber to Onalaska (Wisconsin) | 1,056.71 mi (1,700.62 km) |
| Heber to Oneida (New York) | 1,835.49 mi (2,953.93 km) |
| Heber to Oneonta (New York) | 1,871.09 mi (3,011.22 km) |
| Heber to Ontario (California) | 561.97 mi (904.41 km) |
| Heber to Ontario (Oregon) | 374.59 mi (602.85 km) |
| Heber to Opa-locka (Florida) | 2,048.32 mi (3,296.45 km) |
| Heber to Opelika (Alabama) | 1,535.13 mi (2,470.55 km) |
| Heber to Opelousas (Louisiana) | 1,282.37 mi (2,063.77 km) |
| Heber to Orange (California) | 582.39 mi (937.27 km) |
| Heber to Orange (Texas) | 1,222.39 mi (1,967.24 km) |
| Heber to Orange City (Florida) | 1,875.31 mi (3,018.02 km) |
| Heber to Orangeburg (South Carolina) | 1,743.25 mi (2,805.49 km) |
