| Kartal to Oerlinghausen | 1,234.15 mi (1,986.17 km) |
| Kartal to Oestrich-Winkel | 1,198.49 mi (1,928.78 km) |
| Kartal to Offenburg | 1,162.96 mi (1,871.61 km) |
| Kartal to Oftersheim | 1,157.39 mi (1,862.63 km) |
| Kartal to Ohrdruf | 1,117.48 mi (1,798.41 km) |
| Kartal to Ohringen | 1,114.82 mi (1,794.12 km) |
| Kartal to Olbernhau | 1,016.18 mi (1,635.38 km) |
| Kartal to Olching | 1,011.31 mi (1,627.55 km) |
| Kartal to Oldenburg | 1,292.72 mi (2,080.43 km) |
| Kartal to Oldenburg in Holstein | 1,252.11 mi (2,015.07 km) |
| Kartal to Olfen | 1,273.84 mi (2,050.05 km) |
| Kartal to Olpe | 1,234.71 mi (1,987.07 km) |
| Kartal to Olsberg | 1,220.20 mi (1,963.73 km) |
| Kartal to Oranienburg | 1,109.17 mi (1,785.04 km) |
| Kartal to Ortenberg | 1,166.53 mi (1,877.34 km) |
