| Pinehurst to Olympia (Washington) | 2,368.95 mi (3,812.46 km) |
| Pinehurst to Olympia Heights (Florida) | 656.23 mi (1,056.10 km) |
| Pinehurst to Omaha (Nebraska) | 990.89 mi (1,594.68 km) |
| Pinehurst to On Top of the World Designated Place (Florida) | 451.63 mi (726.82 km) |
| Pinehurst to Onalaska (Wisconsin) | 865.69 mi (1,393.19 km) |
| Pinehurst to Oneida (New York) | 581.54 mi (935.90 km) |
| Pinehurst to Oneonta (New York) | 554.74 mi (892.76 km) |
| Pinehurst to Ontario (California) | 2,156.71 mi (3,470.89 km) |
| Pinehurst to Ontario (Oregon) | 2,067.74 mi (3,327.70 km) |
| Pinehurst to Opa-locka (Florida) | 643.75 mi (1,036.01 km) |
| Pinehurst to Opelika (Alabama) | 381.11 mi (613.34 km) |
| Pinehurst to Opelousas (Louisiana) | 799.11 mi (1,286.05 km) |
| Pinehurst to Orange (California) | 2,172.48 mi (3,496.27 km) |
| Pinehurst to Orange (Texas) | 901.03 mi (1,450.06 km) |
| Pinehurst to Orange City (Florida) | 445.25 mi (716.56 km) |
