| Albergaria-a-Velha to Oswego (Illinois) | 3,991.51 mi (6,423.71 km) |
| Albergaria-a-Velha to Oswego (New York) | 3,394.10 mi (5,462.27 km) |
| Albergaria-a-Velha to Otsego (Minnesota) | 4,107.12 mi (6,609.77 km) |
| Albergaria-a-Velha to Ottawa (Illinois) | 4,024.51 mi (6,476.83 km) |
| Albergaria-a-Velha to Ottawa (Kansas) | 4,414.67 mi (7,104.73 km) |
| Albergaria-a-Velha to Ottumwa (Iowa) | 4,198.70 mi (6,757.15 km) |
| Albergaria-a-Velha to Overland (Missouri) | 4,186.00 mi (6,736.72 km) |
| Albergaria-a-Velha to Overland Park (Kansas) | 4,377.80 mi (7,045.38 km) |
| Albergaria-a-Velha to Overlea (Maryland) | 3,506.10 mi (5,642.53 km) |
| Albergaria-a-Velha to Oviedo (Florida) | 4,097.56 mi (6,594.39 km) |
| Albergaria-a-Velha to Owasso (Oklahoma) | 4,528.02 mi (7,287.14 km) |
| Albergaria-a-Velha to Owatonna (Minnesota) | 4,129.60 mi (6,645.95 km) |
| Albergaria-a-Velha to Owensboro (Kentucky) | 4,065.81 mi (6,543.30 km) |
| Albergaria-a-Velha to Owings Mills (Maryland) | 3,518.01 mi (5,661.69 km) |
| Albergaria-a-Velha to Owosso (Michigan) | 3,760.96 mi (6,052.68 km) |
