| Islahiye to Opwijk | 1,856.58 mi (2,987.87 km) |
| Islahiye to Ostend | 1,914.27 mi (3,080.72 km) |
| Islahiye to Oud-Heverlee | 1,833.67 mi (2,951.00 km) |
| Islahiye to Oud-Turnhout | 1,831.90 mi (2,948.15 km) |
| Islahiye to Oudenaarde | 1,878.22 mi (3,022.70 km) |
| Islahiye to Oudenburg | 1,910.05 mi (3,073.93 km) |
| Islahiye to Oupeye | 1,790.55 mi (2,881.62 km) |
| Islahiye to Overijse | 1,838.07 mi (2,958.09 km) |
| Islahiye to Overpelt | 1,811.93 mi (2,916.02 km) |
| Islahiye to Paal | 1,817.61 mi (2,925.16 km) |
| Islahiye to Peer | 1,808.40 mi (2,910.34 km) |
| Islahiye to Pepinster | 1,780.08 mi (2,864.77 km) |
| Islahiye to Peruwelz | 1,872.04 mi (3,012.75 km) |
| Islahiye to Perwez | 1,822.87 mi (2,933.63 km) |
| Islahiye to Philippeville | 1,824.84 mi (2,936.80 km) |
