| Alenquer to Oswego (Illinois) | 4,023.64 mi (6,475.43 km) |
| Alenquer to Oswego (New York) | 3,421.56 mi (5,506.47 km) |
| Alenquer to Otsego (Minnesota) | 4,150.42 mi (6,679.45 km) |
| Alenquer to Ottawa (Illinois) | 4,056.36 mi (6,528.09 km) |
| Alenquer to Ottawa (Kansas) | 4,446.62 mi (7,156.14 km) |
| Alenquer to Ottumwa (Iowa) | 4,232.80 mi (6,812.03 km) |
| Alenquer to Overland (Missouri) | 4,213.80 mi (6,781.45 km) |
| Alenquer to Overland Park (Kansas) | 4,409.76 mi (7,096.83 km) |
| Alenquer to Overlea (Maryland) | 3,523.69 mi (5,670.83 km) |
| Alenquer to Oviedo (Florida) | 4,096.10 mi (6,592.04 km) |
| Alenquer to Owasso (Oklahoma) | 4,556.22 mi (7,332.53 km) |
| Alenquer to Owatonna (Minnesota) | 4,170.33 mi (6,711.49 km) |
| Alenquer to Owensboro (Kentucky) | 4,088.85 mi (6,580.37 km) |
| Alenquer to Owings Mills (Maryland) | 3,535.93 mi (5,690.52 km) |
| Alenquer to Owosso (Michigan) | 3,792.73 mi (6,103.81 km) |
