| Gafanha da Nazare to Olympia Heights (Florida) | 4,153.92 mi (6,685.09 km) |
| Gafanha da Nazare to Omaha (Nebraska) | 4,344.02 mi (6,991.02 km) |
| Gafanha da Nazare to On Top of the World Designated Place (Florida) | 4,125.97 mi (6,640.11 km) |
| Gafanha da Nazare to Onalaska (Wisconsin) | 4,039.99 mi (6,501.74 km) |
| Gafanha da Nazare to Oneida (New York) | 3,355.20 mi (5,399.68 km) |
| Gafanha da Nazare to Oneonta (New York) | 3,342.80 mi (5,379.72 km) |
| Gafanha da Nazare to Ontario (California) | 5,578.56 mi (8,977.82 km) |
| Gafanha da Nazare to Ontario (Oregon) | 5,088.27 mi (8,188.78 km) |
| Gafanha da Nazare to Opa-locka (Florida) | 4,142.84 mi (6,667.26 km) |
| Gafanha da Nazare to Opelika (Alabama) | 4,150.94 mi (6,680.30 km) |
| Gafanha da Nazare to Opelousas (Louisiana) | 4,562.15 mi (7,342.07 km) |
| Gafanha da Nazare to Orange (California) | 5,598.71 mi (9,010.25 km) |
| Gafanha da Nazare to Orange (Texas) | 4,660.30 mi (7,500.02 km) |
| Gafanha da Nazare to Orange City (Florida) | 4,081.43 mi (6,568.43 km) |
| Gafanha da Nazare to Orangeburg (South Carolina) | 3,897.15 mi (6,271.85 km) |
