| Alenquer to Odessa (Texas) | 5,035.22 mi (8,103.41 km) |
| Alenquer to Ogden (Utah) | 5,077.19 mi (8,170.95 km) |
| Alenquer to Oildale (California) | 5,627.80 mi (9,057.06 km) |
| Alenquer to Ojus (Florida) | 4,139.13 mi (6,661.29 km) |
| Alenquer to Okemos (Michigan) | 3,811.76 mi (6,134.44 km) |
| Alenquer to Oklahoma City (Oklahoma) | 4,666.11 mi (7,509.39 km) |
| Alenquer to Okmulgee (Oklahoma) | 4,589.27 mi (7,385.72 km) |
| Alenquer to Olathe (Kansas) | 4,416.06 mi (7,106.97 km) |
| Alenquer to Old Jamestown (Missouri) | 4,205.10 mi (6,767.45 km) |
| Alenquer to Oldsmar (Florida) | 4,194.99 mi (6,751.18 km) |
| Alenquer to Olean (New York) | 3,546.38 mi (5,707.35 km) |
| Alenquer to Olive Branch (Mississippi) | 4,315.30 mi (6,944.81 km) |
| Alenquer to Olivehurst (California) | 5,557.94 mi (8,944.64 km) |
| Alenquer to Olney (Maryland) | 3,556.84 mi (5,724.18 km) |
| Alenquer to Olympia (Washington) | 5,231.06 mi (8,418.57 km) |
