| Twentynine Palms to Olympia (Washington) | 959.31 mi (1,543.85 km) |
| Twentynine Palms to Olympia Heights (Florida) | 2,204.61 mi (3,547.98 km) |
| Twentynine Palms to Omaha (Nebraska) | 1,195.66 mi (1,924.24 km) |
| Twentynine Palms to On Top of the World Designated Place (Florida) | 2,008.25 mi (3,231.96 km) |
| Twentynine Palms to Onalaska (Wisconsin) | 1,486.52 mi (2,392.32 km) |
| Twentynine Palms to Oneida (New York) | 2,243.22 mi (3,610.12 km) |
| Twentynine Palms to Oneonta (New York) | 2,272.31 mi (3,656.94 km) |
| Twentynine Palms to Ontario (California) | 88.46 mi (142.36 km) |
| Twentynine Palms to Ontario (Oregon) | 684.24 mi (1,101.18 km) |
| Twentynine Palms to Opa-locka (Florida) | 2,204.49 mi (3,547.78 km) |
| Twentynine Palms to Opelika (Alabama) | 1,766.46 mi (2,842.84 km) |
| Twentynine Palms to Opelousas (Louisiana) | 1,418.94 mi (2,283.56 km) |
| Twentynine Palms to Orange (California) | 103.38 mi (166.37 km) |
| Twentynine Palms to Orange (Texas) | 1,331.46 mi (2,142.77 km) |
| Twentynine Palms to Orange City (Florida) | 2,069.16 mi (3,329.99 km) |
