| Thessaloniki to Oerlinghausen | 1,033.69 mi (1,663.56 km) |
| Thessaloniki to Oestrich-Winkel | 968.70 mi (1,558.97 km) |
| Thessaloniki to Offenburg | 912.74 mi (1,468.91 km) |
| Thessaloniki to Oftersheim | 922.06 mi (1,483.91 km) |
| Thessaloniki to Ohrdruf | 915.04 mi (1,472.61 km) |
| Thessaloniki to Ohringen | 881.82 mi (1,419.15 km) |
| Thessaloniki to Olbernhau | 832.11 mi (1,339.15 km) |
| Thessaloniki to Olching | 774.03 mi (1,245.68 km) |
| Thessaloniki to Oldenburg | 1,104.33 mi (1,777.25 km) |
| Thessaloniki to Oldenburg in Holstein | 1,095.47 mi (1,762.99 km) |
| Thessaloniki to Olfen | 1,063.06 mi (1,710.83 km) |
| Thessaloniki to Olpe | 1,017.34 mi (1,637.25 km) |
| Thessaloniki to Olsberg | 1,010.69 mi (1,626.55 km) |
| Thessaloniki to Oranienburg | 952.91 mi (1,533.57 km) |
| Thessaloniki to Ortenberg | 947.02 mi (1,524.09 km) |
