| Thessaloniki to Orangevale (California) | 6,507.66 mi (10,473.07 km) |
| Thessaloniki to Orchards (Washington) | 6,102.05 mi (9,820.30 km) |
| Thessaloniki to Orcutt (California) | 6,723.24 mi (10,820.01 km) |
| Thessaloniki to Oregon (Ohio) | 5,123.35 mi (8,245.24 km) |
| Thessaloniki to Oregon (Wisconsin) | 5,289.42 mi (8,512.50 km) |
| Thessaloniki to Oregon City (Oregon) | 6,125.00 mi (9,857.23 km) |
| Thessaloniki to Orem (Utah) | 6,160.46 mi (9,914.31 km) |
| Thessaloniki to Orinda (California) | 6,580.63 mi (10,590.50 km) |
| Thessaloniki to Orland Park (Illinois) | 5,295.44 mi (8,522.18 km) |
| Thessaloniki to Orlando (Florida) | 5,637.86 mi (9,073.26 km) |
| Thessaloniki to Ormond Beach (Florida) | 5,589.37 mi (8,995.22 km) |
| Thessaloniki to Oro Valley (Arizona) | 6,595.27 mi (10,614.06 km) |
| Thessaloniki to Oroville (California) | 6,465.53 mi (10,405.27 km) |
| Thessaloniki to Oshkosh (Wisconsin) | 5,207.15 mi (8,380.10 km) |
| Thessaloniki to Oskaloosa (Iowa) | 5,487.13 mi (8,830.68 km) |
