| Balikesir to Octeville | 1,593.87 mi (2,565.08 km) |
| Balikesir to Oignies | 1,416.77 mi (2,280.07 km) |
| Balikesir to Oissel | 1,470.37 mi (2,366.34 km) |
| Balikesir to Olivet | 1,407.29 mi (2,264.81 km) |
| Balikesir to Ollioules | 1,164.12 mi (1,873.47 km) |
| Balikesir to Olonne-sur-Mer | 1,560.00 mi (2,510.58 km) |
| Balikesir to Oloron-Sainte-Marie | 1,489.19 mi (2,396.62 km) |
| Balikesir to Onet Village | 1,333.22 mi (2,145.62 km) |
| Balikesir to Onnaing | 1,390.05 mi (2,237.06 km) |
| Balikesir to Orange | 1,222.51 mi (1,967.44 km) |
| Balikesir to Orchies | 1,406.73 mi (2,263.92 km) |
| Balikesir to Orleans | 1,407.57 mi (2,265.26 km) |
| Balikesir to Orly | 1,401.91 mi (2,256.16 km) |
| Balikesir to Ormesson-sur-Marne | 1,396.44 mi (2,247.36 km) |
| Balikesir to Orsay | 1,409.95 mi (2,269.09 km) |
