| Balikesir to Oerlinghausen | 1,251.01 mi (2,013.31 km) |
| Balikesir to Oestrich-Winkel | 1,203.21 mi (1,936.38 km) |
| Balikesir to Offenburg | 1,158.35 mi (1,864.19 km) |
| Balikesir to Oftersheim | 1,159.47 mi (1,865.98 km) |
| Balikesir to Ohrdruf | 1,132.74 mi (1,822.97 km) |
| Balikesir to Ohringen | 1,117.63 mi (1,798.65 km) |
| Balikesir to Olbernhau | 1,037.40 mi (1,669.53 km) |
| Balikesir to Olching | 1,011.50 mi (1,627.86 km) |
| Balikesir to Oldenburg | 1,314.54 mi (2,115.55 km) |
| Balikesir to Oldenburg in Holstein | 1,285.02 mi (2,068.03 km) |
| Balikesir to Olfen | 1,286.88 mi (2,071.04 km) |
| Balikesir to Olpe | 1,244.85 mi (2,003.39 km) |
| Balikesir to Olsberg | 1,233.43 mi (1,985.01 km) |
| Balikesir to Oranienburg | 1,141.07 mi (1,836.37 km) |
| Balikesir to Ortenberg | 1,175.36 mi (1,891.56 km) |
