| Alexandroupoli to Oakley (California) | 6,616.87 mi (10,648.83 km) |
| Alexandroupoli to Oakton (Virginia) | 5,109.32 mi (8,222.65 km) |
| Alexandroupoli to Oakville (Missouri) | 5,641.23 mi (9,078.68 km) |
| Alexandroupoli to Oatfield (Oregon) | 6,165.93 mi (9,923.10 km) |
| Alexandroupoli to Ocala (Florida) | 5,763.73 mi (9,275.83 km) |
| Alexandroupoli to Ocean Acres (New Jersey) | 4,946.81 mi (7,961.13 km) |
| Alexandroupoli to Ocean City (New Jersey) | 4,980.64 mi (8,015.56 km) |
| Alexandroupoli to Ocean Pines (Maryland) | 5,041.81 mi (8,114.01 km) |
| Alexandroupoli to Ocean Pointe (Hawaii) | 8,134.36 mi (13,090.99 km) |
| Alexandroupoli to Ocean Springs (Mississippi) | 5,984.89 mi (9,631.75 km) |
| Alexandroupoli to Oceanside (California) | 6,806.96 mi (10,954.75 km) |
| Alexandroupoli to Oceanside (New York) | 4,882.16 mi (7,857.07 km) |
| Alexandroupoli to Ocoee (Florida) | 5,765.08 mi (9,278.00 km) |
| Alexandroupoli to Oconomowoc (Wisconsin) | 5,343.99 mi (8,600.33 km) |
| Alexandroupoli to Odenton (Maryland) | 5,076.39 mi (8,169.66 km) |
