| Abrantes to Olympia Heights (Florida) | 4,194.96 mi (6,751.14 km) |
| Abrantes to Omaha (Nebraska) | 4,410.86 mi (7,098.59 km) |
| Abrantes to On Top of the World Designated Place (Florida) | 4,172.59 mi (6,715.14 km) |
| Abrantes to Onalaska (Wisconsin) | 4,107.40 mi (6,610.22 km) |
| Abrantes to Oneida (New York) | 3,416.12 mi (5,497.72 km) |
| Abrantes to Oneonta (New York) | 3,402.69 mi (5,476.11 km) |
| Abrantes to Ontario (California) | 5,649.62 mi (9,092.18 km) |
| Abrantes to Ontario (Oregon) | 5,164.75 mi (8,311.87 km) |
| Abrantes to Opa-locka (Florida) | 4,184.04 mi (6,733.57 km) |
| Abrantes to Opelika (Alabama) | 4,203.73 mi (6,765.24 km) |
| Abrantes to Opelousas (Louisiana) | 4,616.58 mi (7,429.66 km) |
| Abrantes to Orange (California) | 5,669.73 mi (9,124.55 km) |
| Abrantes to Orange (Texas) | 4,715.32 mi (7,588.57 km) |
| Abrantes to Orange City (Florida) | 4,127.17 mi (6,642.04 km) |
| Abrantes to Orangeburg (South Carolina) | 3,948.30 mi (6,354.17 km) |
