| Biot to Olympia Heights (Florida) | 4,892.64 mi (7,873.95 km) |
| Biot to Omaha (Nebraska) | 4,881.68 mi (7,856.30 km) |
| Biot to On Top of the World Designated Place (Florida) | 4,834.75 mi (7,780.78 km) |
| Biot to Onalaska (Wisconsin) | 4,576.34 mi (7,364.90 km) |
| Biot to Oneida (New York) | 3,970.07 mi (6,389.22 km) |
| Biot to Oneonta (New York) | 3,966.89 mi (6,384.09 km) |
| Biot to Ontario (California) | 6,041.17 mi (9,722.33 km) |
| Biot to Ontario (Oregon) | 5,469.88 mi (8,802.92 km) |
| Biot to Opa-locka (Florida) | 4,880.85 mi (7,854.97 km) |
| Biot to Opelika (Alabama) | 4,819.44 mi (7,756.14 km) |
| Biot to Opelousas (Louisiana) | 5,213.96 mi (8,391.07 km) |
| Biot to Orange (California) | 6,061.60 mi (9,755.20 km) |
| Biot to Orange (Texas) | 5,306.37 mi (8,539.78 km) |
| Biot to Orange City (Florida) | 4,795.72 mi (7,717.96 km) |
| Biot to Orangeburg (South Carolina) | 4,579.74 mi (7,370.38 km) |
