| Thessaloniki to Oakley (California) | 6,562.11 mi (10,560.70 km) |
| Thessaloniki to Oakton (Virginia) | 4,995.85 mi (8,040.04 km) |
| Thessaloniki to Oakville (Missouri) | 5,540.71 mi (8,916.91 km) |
| Thessaloniki to Oatfield (Oregon) | 6,120.62 mi (9,850.18 km) |
| Thessaloniki to Ocala (Florida) | 5,641.96 mi (9,079.86 km) |
| Thessaloniki to Ocean Acres (New Jersey) | 4,831.86 mi (7,776.12 km) |
| Thessaloniki to Ocean City (New Jersey) | 4,865.26 mi (7,829.88 km) |
| Thessaloniki to Ocean Pines (Maryland) | 4,925.62 mi (7,927.02 km) |
| Thessaloniki to Ocean Pointe (Hawaii) | 8,155.68 mi (13,125.31 km) |
| Thessaloniki to Ocean Springs (Mississippi) | 5,871.68 mi (9,449.56 km) |
| Thessaloniki to Oceanside (California) | 6,738.97 mi (10,845.32 km) |
| Thessaloniki to Oceanside (New York) | 4,767.99 mi (7,673.34 km) |
| Thessaloniki to Ocoee (Florida) | 5,641.98 mi (9,079.89 km) |
| Thessaloniki to Oconomowoc (Wisconsin) | 5,248.37 mi (8,446.43 km) |
| Thessaloniki to Odenton (Maryland) | 4,962.61 mi (7,986.56 km) |
