| Beykoz to Opwijk | 1,364.44 mi (2,195.86 km) |
| Beykoz to Ostend | 1,422.11 mi (2,288.67 km) |
| Beykoz to Oud-Heverlee | 1,341.49 mi (2,158.92 km) |
| Beykoz to Oud-Turnhout | 1,340.83 mi (2,157.86 km) |
| Beykoz to Oudenaarde | 1,385.68 mi (2,230.04 km) |
| Beykoz to Oudenburg | 1,417.85 mi (2,281.82 km) |
| Beykoz to Oupeye | 1,298.56 mi (2,089.83 km) |
| Beykoz to Overijse | 1,345.75 mi (2,165.78 km) |
| Beykoz to Overpelt | 1,320.88 mi (2,125.75 km) |
| Beykoz to Paal | 1,326.05 mi (2,134.07 km) |
| Beykoz to Peer | 1,317.19 mi (2,119.80 km) |
| Beykoz to Pepinster | 1,287.90 mi (2,072.68 km) |
| Beykoz to Peruwelz | 1,379.03 mi (2,219.33 km) |
| Beykoz to Perwez | 1,330.39 mi (2,141.06 km) |
| Beykoz to Philippeville | 1,331.69 mi (2,143.15 km) |
