| Kovancilar to Oerlinghausen | 1,750.01 mi (2,816.37 km) |
| Kovancilar to Oestrich-Winkel | 1,738.61 mi (2,798.03 km) |
| Kovancilar to Offenburg | 1,718.20 mi (2,765.18 km) |
| Kovancilar to Oftersheim | 1,702.71 mi (2,740.25 km) |
| Kovancilar to Ohrdruf | 1,640.00 mi (2,639.33 km) |
| Kovancilar to Ohringen | 1,659.83 mi (2,671.24 km) |
| Kovancilar to Olbernhau | 1,529.79 mi (2,461.95 km) |
| Kovancilar to Olching | 1,562.53 mi (2,514.65 km) |
| Kovancilar to Oldenburg | 1,795.72 mi (2,889.94 km) |
| Kovancilar to Oldenburg in Holstein | 1,727.93 mi (2,780.84 km) |
| Kovancilar to Olfen | 1,796.71 mi (2,891.52 km) |
| Kovancilar to Olpe | 1,764.23 mi (2,839.25 km) |
| Kovancilar to Olsberg | 1,744.02 mi (2,806.72 km) |
| Kovancilar to Oranienburg | 1,593.59 mi (2,564.64 km) |
| Kovancilar to Ortenberg | 1,700.08 mi (2,736.01 km) |
