| Fort Bliss to Olympia Heights (Florida) | 1,627.84 mi (2,619.75 km) |
| Fort Bliss to Omaha (Nebraska) | 865.93 mi (1,393.58 km) |
| Fort Bliss to On Top of the World Designated Place (Florida) | 1,443.81 mi (2,323.59 km) |
| Fort Bliss to Onalaska (Wisconsin) | 1,169.99 mi (1,882.91 km) |
| Fort Bliss to Oneida (New York) | 1,841.07 mi (2,962.91 km) |
| Fort Bliss to Oneonta (New York) | 1,860.20 mi (2,993.70 km) |
| Fort Bliss to Ontario (California) | 668.39 mi (1,075.68 km) |
| Fort Bliss to Ontario (Oregon) | 1,019.22 mi (1,640.27 km) |
| Fort Bliss to Opa-locka (Florida) | 1,628.37 mi (2,620.61 km) |
| Fort Bliss to Opelika (Alabama) | 1,226.30 mi (1,973.54 km) |
| Fort Bliss to Opelousas (Louisiana) | 849.12 mi (1,366.53 km) |
| Fort Bliss to Orange (California) | 677.98 mi (1,091.10 km) |
| Fort Bliss to Orange (Texas) | 756.11 mi (1,216.84 km) |
| Fort Bliss to Orange City (Florida) | 1,505.22 mi (2,422.42 km) |
| Fort Bliss to Orangeburg (South Carolina) | 1,484.31 mi (2,388.77 km) |
