| Albergaria-a-Velha to Orangevale (California) | 5,506.79 mi (8,862.33 km) |
| Albergaria-a-Velha to Orchards (Washington) | 5,215.22 mi (8,393.08 km) |
| Albergaria-a-Velha to Orcutt (California) | 5,661.10 mi (9,110.66 km) |
| Albergaria-a-Velha to Oregon (Ohio) | 3,766.93 mi (6,062.30 km) |
| Albergaria-a-Velha to Oregon (Wisconsin) | 3,998.74 mi (6,435.35 km) |
| Albergaria-a-Velha to Oregon City (Oregon) | 5,234.14 mi (8,423.53 km) |
| Albergaria-a-Velha to Orem (Utah) | 5,055.84 mi (8,136.59 km) |
| Albergaria-a-Velha to Orinda (California) | 5,582.98 mi (8,984.94 km) |
| Albergaria-a-Velha to Orland Park (Illinois) | 3,972.30 mi (6,392.80 km) |
| Albergaria-a-Velha to Orlando (Florida) | 4,111.96 mi (6,617.56 km) |
| Albergaria-a-Velha to Ormond Beach (Florida) | 4,069.42 mi (6,549.10 km) |
| Albergaria-a-Velha to Oro Valley (Arizona) | 5,376.44 mi (8,652.55 km) |
| Albergaria-a-Velha to Oroville (California) | 5,480.36 mi (8,819.78 km) |
| Albergaria-a-Velha to Oshkosh (Wisconsin) | 3,927.05 mi (6,319.98 km) |
| Albergaria-a-Velha to Oskaloosa (Iowa) | 4,199.19 mi (6,757.94 km) |
