| Palomares del Rio to Olympia Heights (Florida) | 4,338.89 mi (6,982.77 km) |
| Palomares del Rio to Omaha (Nebraska) | 4,590.26 mi (7,387.30 km) |
| Palomares del Rio to On Top of the World Designated Place (Florida) | 4,325.25 mi (6,960.81 km) |
| Palomares del Rio to Onalaska (Wisconsin) | 4,287.47 mi (6,900.01 km) |
| Palomares del Rio to Oneida (New York) | 3,589.09 mi (5,776.08 km) |
| Palomares del Rio to Oneonta (New York) | 3,574.39 mi (5,752.43 km) |
| Palomares del Rio to Ontario (California) | 5,832.99 mi (9,387.29 km) |
| Palomares del Rio to Ontario (Oregon) | 5,352.16 mi (8,613.47 km) |
| Palomares del Rio to Opa-locka (Florida) | 4,328.24 mi (6,965.62 km) |
| Palomares del Rio to Opelika (Alabama) | 4,365.44 mi (7,025.49 km) |
| Palomares del Rio to Opelousas (Louisiana) | 4,780.35 mi (7,693.23 km) |
| Palomares del Rio to Orange (California) | 5,853.06 mi (9,419.59 km) |
| Palomares del Rio to Orange (Texas) | 4,879.88 mi (7,853.40 km) |
| Palomares del Rio to Orange City (Florida) | 4,278.52 mi (6,885.61 km) |
| Palomares del Rio to Orangeburg (South Carolina) | 4,107.85 mi (6,610.94 km) |
