| Ptolemaida to Opwijk | 1,105.59 mi (1,779.27 km) |
| Ptolemaida to Ostend | 1,161.31 mi (1,868.94 km) |
| Ptolemaida to Oud-Heverlee | 1,082.99 mi (1,742.91 km) |
| Ptolemaida to Oud-Turnhout | 1,091.26 mi (1,756.21 km) |
| Ptolemaida to Oudenaarde | 1,122.43 mi (1,806.37 km) |
| Ptolemaida to Oudenburg | 1,156.79 mi (1,861.67 km) |
| Ptolemaida to Oupeye | 1,043.21 mi (1,678.89 km) |
| Ptolemaida to Overijse | 1,085.85 mi (1,747.51 km) |
| Ptolemaida to Overpelt | 1,072.13 mi (1,725.42 km) |
| Ptolemaida to Paal | 1,073.27 mi (1,727.26 km) |
| Ptolemaida to Peer | 1,067.35 mi (1,717.74 km) |
| Ptolemaida to Pepinster | 1,031.30 mi (1,659.71 km) |
| Ptolemaida to Peruwelz | 1,110.85 mi (1,787.74 km) |
| Ptolemaida to Perwez | 1,069.47 mi (1,721.15 km) |
| Ptolemaida to Philippeville | 1,063.12 mi (1,710.92 km) |
