| Alexandroupoli to Odessa (Texas) | 6,423.83 mi (10,338.16 km) |
| Alexandroupoli to Ogden (Utah) | 6,181.19 mi (9,947.67 km) |
| Alexandroupoli to Oildale (California) | 6,714.89 mi (10,806.57 km) |
| Alexandroupoli to Ojus (Florida) | 5,827.81 mi (9,378.96 km) |
| Alexandroupoli to Okemos (Michigan) | 5,214.20 mi (8,391.45 km) |
| Alexandroupoli to Oklahoma City (Oklahoma) | 6,057.75 mi (9,749.00 km) |
| Alexandroupoli to Okmulgee (Oklahoma) | 5,995.96 mi (9,649.56 km) |
| Alexandroupoli to Olathe (Kansas) | 5,781.69 mi (9,304.74 km) |
| Alexandroupoli to Old Jamestown (Missouri) | 5,620.25 mi (9,044.92 km) |
| Alexandroupoli to Oldsmar (Florida) | 5,840.33 mi (9,399.10 km) |
| Alexandroupoli to Olean (New York) | 5,013.42 mi (8,068.32 km) |
| Alexandroupoli to Olive Branch (Mississippi) | 5,798.64 mi (9,332.01 km) |
| Alexandroupoli to Olivehurst (California) | 6,545.28 mi (10,533.61 km) |
| Alexandroupoli to Olney (Maryland) | 5,088.42 mi (8,189.02 km) |
| Alexandroupoli to Olympia (Washington) | 6,068.16 mi (9,765.75 km) |
