| Pernes-les-Fontaines to Olympia Heights (Florida) | 4,788.09 mi (7,705.69 km) |
| Pernes-les-Fontaines to Omaha (Nebraska) | 4,786.36 mi (7,702.91 km) |
| Pernes-les-Fontaines to On Top of the World Designated Place (Florida) | 4,730.81 mi (7,613.50 km) |
| Pernes-les-Fontaines to Onalaska (Wisconsin) | 4,480.81 mi (7,211.17 km) |
| Pernes-les-Fontaines to Oneida (New York) | 3,869.48 mi (6,227.32 km) |
| Pernes-les-Fontaines to Oneonta (New York) | 3,865.84 mi (6,221.47 km) |
| Pernes-les-Fontaines to Ontario (California) | 5,952.61 mi (9,579.80 km) |
| Pernes-les-Fontaines to Ontario (Oregon) | 5,387.34 mi (8,670.09 km) |
| Pernes-les-Fontaines to Opa-locka (Florida) | 4,776.31 mi (7,686.73 km) |
| Pernes-les-Fontaines to Opelika (Alabama) | 4,716.88 mi (7,591.08 km) |
| Pernes-les-Fontaines to Opelousas (Louisiana) | 5,112.29 mi (8,227.44 km) |
| Pernes-les-Fontaines to Orange (California) | 5,973.04 mi (9,612.68 km) |
| Pernes-les-Fontaines to Orange (Texas) | 5,205.02 mi (8,376.67 km) |
| Pernes-les-Fontaines to Orange City (Florida) | 4,691.62 mi (7,550.43 km) |
| Pernes-les-Fontaines to Orangeburg (South Carolina) | 4,476.55 mi (7,204.32 km) |
