| Ortakoy to Opwijk | 1,672.13 mi (2,691.03 km) |
| Ortakoy to Ostend | 1,729.82 mi (2,783.88 km) |
| Ortakoy to Oud-Heverlee | 1,649.22 mi (2,654.16 km) |
| Ortakoy to Oud-Turnhout | 1,647.55 mi (2,651.48 km) |
| Ortakoy to Oudenaarde | 1,693.75 mi (2,725.82 km) |
| Ortakoy to Oudenburg | 1,725.60 mi (2,777.09 km) |
| Ortakoy to Oupeye | 1,606.12 mi (2,584.79 km) |
| Ortakoy to Overijse | 1,653.61 mi (2,661.23 km) |
| Ortakoy to Overpelt | 1,627.58 mi (2,619.34 km) |
| Ortakoy to Paal | 1,633.21 mi (2,628.40 km) |
| Ortakoy to Peer | 1,624.04 mi (2,613.64 km) |
| Ortakoy to Pepinster | 1,595.63 mi (2,567.92 km) |
| Ortakoy to Peruwelz | 1,687.56 mi (2,715.87 km) |
| Ortakoy to Perwez | 1,638.40 mi (2,636.76 km) |
| Ortakoy to Philippeville | 1,640.38 mi (2,639.93 km) |
