| Alexandroupoli to Orangevale (California) | 6,562.52 mi (10,561.36 km) |
| Alexandroupoli to Orchards (Washington) | 6,147.17 mi (9,892.91 km) |
| Alexandroupoli to Orcutt (California) | 6,783.72 mi (10,917.34 km) |
| Alexandroupoli to Oregon (Ohio) | 5,226.62 mi (8,411.43 km) |
| Alexandroupoli to Oregon (Wisconsin) | 5,384.32 mi (8,665.23 km) |
| Alexandroupoli to Oregon City (Oregon) | 6,170.38 mi (9,930.27 km) |
| Alexandroupoli to Orem (Utah) | 6,229.33 mi (10,025.13 km) |
| Alexandroupoli to Orinda (California) | 6,634.64 mi (10,677.41 km) |
| Alexandroupoli to Orland Park (Illinois) | 5,394.06 mi (8,680.90 km) |
| Alexandroupoli to Orlando (Florida) | 5,761.27 mi (9,271.88 km) |
| Alexandroupoli to Ormond Beach (Florida) | 5,712.02 mi (9,192.61 km) |
| Alexandroupoli to Oro Valley (Arizona) | 6,675.14 mi (10,742.60 km) |
| Alexandroupoli to Oroville (California) | 6,518.91 mi (10,491.18 km) |
| Alexandroupoli to Oshkosh (Wisconsin) | 5,301.26 mi (8,531.55 km) |
| Alexandroupoli to Oskaloosa (Iowa) | 5,580.75 mi (8,981.36 km) |
