| Le Portel to Olympia Heights (Florida) | 4,519.16 mi (7,272.88 km) |
| Le Portel to Omaha (Nebraska) | 4,382.85 mi (7,053.52 km) |
| Le Portel to On Top of the World Designated Place (Florida) | 4,434.02 mi (7,135.87 km) |
| Le Portel to Onalaska (Wisconsin) | 4,079.56 mi (6,565.41 km) |
| Le Portel to Oneida (New York) | 3,516.36 mi (5,659.03 km) |
| Le Portel to Oneonta (New York) | 3,518.42 mi (5,662.35 km) |
| Le Portel to Ontario (California) | 5,512.57 mi (8,871.63 km) |
| Le Portel to Ontario (Oregon) | 4,927.92 mi (7,930.72 km) |
| Le Portel to Opa-locka (Florida) | 4,506.78 mi (7,252.96 km) |
| Le Portel to Opelika (Alabama) | 4,388.19 mi (7,062.11 km) |
| Le Portel to Opelousas (Louisiana) | 4,767.69 mi (7,672.85 km) |
| Le Portel to Orange (California) | 5,532.97 mi (8,904.46 km) |
| Le Portel to Orange (Texas) | 4,855.69 mi (7,814.47 km) |
| Le Portel to Orange City (Florida) | 4,400.21 mi (7,081.45 km) |
| Le Portel to Orangeburg (South Carolina) | 4,161.35 mi (6,697.04 km) |
