| Faches-Thumesnil to Olympia Heights (Florida) | 4,585.02 mi (7,378.87 km) |
| Faches-Thumesnil to Omaha (Nebraska) | 4,441.47 mi (7,147.86 km) |
| Faches-Thumesnil to On Top of the World Designated Place (Florida) | 4,499.30 mi (7,240.93 km) |
| Faches-Thumesnil to Onalaska (Wisconsin) | 4,138.54 mi (6,660.33 km) |
| Faches-Thumesnil to Oneida (New York) | 3,579.49 mi (5,760.63 km) |
| Faches-Thumesnil to Oneonta (New York) | 3,581.87 mi (5,764.47 km) |
| Faches-Thumesnil to Ontario (California) | 5,565.57 mi (8,956.92 km) |
| Faches-Thumesnil to Ontario (Oregon) | 4,976.92 mi (8,009.58 km) |
| Faches-Thumesnil to Opa-locka (Florida) | 4,572.63 mi (7,358.94 km) |
| Faches-Thumesnil to Opelika (Alabama) | 4,452.33 mi (7,165.34 km) |
| Faches-Thumesnil to Opelousas (Louisiana) | 4,830.93 mi (7,774.63 km) |
| Faches-Thumesnil to Orange (California) | 5,585.96 mi (8,989.73 km) |
| Faches-Thumesnil to Orange (Texas) | 4,918.64 mi (7,915.78 km) |
| Faches-Thumesnil to Orange City (Florida) | 4,465.63 mi (7,186.74 km) |
| Faches-Thumesnil to Orangeburg (South Carolina) | 4,226.09 mi (6,801.23 km) |
