| Balikesir to Nuth | 1,315.23 mi (2,116.65 km) |
| Balikesir to Oegstgeest | 1,410.25 mi (2,269.58 km) |
| Balikesir to Oirschot | 1,356.47 mi (2,183.03 km) |
| Balikesir to Oisterwijk | 1,362.98 mi (2,193.51 km) |
| Balikesir to Oldebroek | 1,367.14 mi (2,200.20 km) |
| Balikesir to Oldenzaal | 1,325.39 mi (2,133.01 km) |
| Balikesir to Ommen | 1,351.18 mi (2,174.51 km) |
| Balikesir to Oosterend | 1,381.75 mi (2,223.72 km) |
| Balikesir to Oosterhout | 1,377.91 mi (2,217.54 km) |
| Balikesir to Oosterwolde | 1,373.43 mi (2,210.33 km) |
| Balikesir to Oostzaan | 1,403.35 mi (2,258.47 km) |
| Balikesir to Opmeer | 1,410.21 mi (2,269.52 km) |
| Balikesir to Oss | 1,357.21 mi (2,184.22 km) |
| Balikesir to Oud-Beijerland | 1,400.80 mi (2,254.37 km) |
| Balikesir to Oudenbosch | 1,388.84 mi (2,235.12 km) |
