| Thessaloniki to Opwijk | 1,145.35 mi (1,843.26 km) |
| Thessaloniki to Ostend | 1,201.70 mi (1,933.95 km) |
| Thessaloniki to Oud-Heverlee | 1,122.58 mi (1,806.61 km) |
| Thessaloniki to Oud-Turnhout | 1,129.10 mi (1,817.11 km) |
| Thessaloniki to Oudenaarde | 1,163.14 mi (1,871.90 km) |
| Thessaloniki to Oudenburg | 1,197.21 mi (1,926.73 km) |
| Thessaloniki to Oupeye | 1,081.96 mi (1,741.25 km) |
| Thessaloniki to Overijse | 1,125.73 mi (1,811.69 km) |
| Thessaloniki to Overpelt | 1,109.71 mi (1,785.90 km) |
| Thessaloniki to Paal | 1,111.66 mi (1,789.04 km) |
| Thessaloniki to Peer | 1,105.12 mi (1,778.52 km) |
| Thessaloniki to Pepinster | 1,070.23 mi (1,722.38 km) |
| Thessaloniki to Peruwelz | 1,152.50 mi (1,854.77 km) |
| Thessaloniki to Perwez | 1,109.48 mi (1,785.53 km) |
| Thessaloniki to Philippeville | 1,104.63 mi (1,777.73 km) |
