| Balikesir to Opwijk | 1,382.99 mi (2,225.71 km) |
| Balikesir to Ostend | 1,440.30 mi (2,317.94 km) |
| Balikesir to Oud-Heverlee | 1,360.01 mi (2,188.72 km) |
| Balikesir to Oud-Turnhout | 1,362.62 mi (2,192.93 km) |
| Balikesir to Oudenaarde | 1,402.72 mi (2,257.45 km) |
| Balikesir to Oudenburg | 1,435.92 mi (2,310.89 km) |
| Balikesir to Oupeye | 1,317.93 mi (2,121.00 km) |
| Balikesir to Overijse | 1,363.78 mi (2,194.79 km) |
| Balikesir to Overpelt | 1,342.82 mi (2,161.05 km) |
| Balikesir to Paal | 1,346.56 mi (2,167.09 km) |
| Balikesir to Peer | 1,338.70 mi (2,154.44 km) |
| Balikesir to Pepinster | 1,306.72 mi (2,102.97 km) |
| Balikesir to Peruwelz | 1,394.14 mi (2,243.65 km) |
| Balikesir to Perwez | 1,347.93 mi (2,169.28 km) |
| Balikesir to Philippeville | 1,346.33 mi (2,166.71 km) |
