| Ulus to Olympia Heights (Florida) | 6,119.32 mi (9,848.09 km) |
| Ulus to Omaha (Nebraska) | 5,876.48 mi (9,457.27 km) |
| Ulus to On Top of the World Designated Place (Florida) | 6,030.57 mi (9,705.26 km) |
| Ulus to Onalaska (Wisconsin) | 5,582.67 mi (8,984.44 km) |
| Ulus to Oneida (New York) | 5,087.70 mi (8,187.86 km) |
| Ulus to Oneonta (New York) | 5,094.14 mi (8,198.23 km) |
| Ulus to Ontario (California) | 6,880.83 mi (11,073.63 km) |
| Ulus to Ontario (Oregon) | 6,228.88 mi (10,024.42 km) |
| Ulus to Opa-locka (Florida) | 6,106.93 mi (9,828.16 km) |
| Ulus to Opelika (Alabama) | 5,971.16 mi (9,609.66 km) |
| Ulus to Opelousas (Louisiana) | 6,336.63 mi (10,197.83 km) |
| Ulus to Orange (California) | 6,900.55 mi (11,105.36 km) |
| Ulus to Orange (Texas) | 6,419.68 mi (10,331.47 km) |
| Ulus to Orange City (Florida) | 5,998.07 mi (9,652.96 km) |
| Ulus to Orangeburg (South Carolina) | 5,752.27 mi (9,257.39 km) |
