| Foix to Olympia Heights (Florida) | 4,640.18 mi (7,467.65 km) |
| Foix to Omaha (Nebraska) | 4,691.64 mi (7,550.47 km) |
| Foix to On Top of the World Designated Place (Florida) | 4,591.30 mi (7,388.98 km) |
| Foix to Onalaska (Wisconsin) | 4,385.66 mi (7,058.04 km) |
| Foix to Oneida (New York) | 3,753.04 mi (6,039.94 km) |
| Foix to Oneonta (New York) | 3,747.06 mi (6,030.32 km) |
| Foix to Ontario (California) | 5,879.29 mi (9,461.80 km) |
| Foix to Ontario (Oregon) | 5,332.42 mi (8,581.69 km) |
| Foix to Opa-locka (Florida) | 4,628.59 mi (7,449.00 km) |
| Foix to Opelika (Alabama) | 4,588.30 mi (7,384.16 km) |
| Foix to Opelousas (Louisiana) | 4,988.84 mi (8,028.76 km) |
| Foix to Orange (California) | 5,899.69 mi (9,494.64 km) |
| Foix to Orange (Texas) | 5,083.25 mi (8,180.70 km) |
| Foix to Orange City (Florida) | 4,550.52 mi (7,323.36 km) |
| Foix to Orangeburg (South Carolina) | 4,343.79 mi (6,990.66 km) |
