| Alenquer to Orangevale (California) | 5,563.33 mi (8,953.31 km) |
| Alenquer to Orchards (Washington) | 5,281.91 mi (8,500.41 km) |
| Alenquer to Orcutt (California) | 5,711.77 mi (9,192.20 km) |
| Alenquer to Oregon (Ohio) | 3,795.19 mi (6,107.77 km) |
| Alenquer to Oregon (Wisconsin) | 4,034.24 mi (6,492.48 km) |
| Alenquer to Oregon City (Oregon) | 5,300.44 mi (8,530.24 km) |
| Alenquer to Orem (Utah) | 5,105.56 mi (8,216.61 km) |
| Alenquer to Orinda (California) | 5,639.42 mi (9,075.76 km) |
| Alenquer to Orland Park (Illinois) | 4,003.90 mi (6,443.66 km) |
| Alenquer to Orlando (Florida) | 4,110.30 mi (6,614.88 km) |
| Alenquer to Ormond Beach (Florida) | 4,069.16 mi (6,548.68 km) |
| Alenquer to Oro Valley (Arizona) | 5,413.54 mi (8,712.24 km) |
| Alenquer to Oroville (California) | 5,538.28 mi (8,913.00 km) |
| Alenquer to Oshkosh (Wisconsin) | 3,964.20 mi (6,379.76 km) |
| Alenquer to Oskaloosa (Iowa) | 4,234.00 mi (6,813.97 km) |
