| Karkamis to Oerlinghausen | 1,766.32 mi (2,842.62 km) |
| Karkamis to Oestrich-Winkel | 1,741.47 mi (2,802.63 km) |
| Karkamis to Offenburg | 1,710.88 mi (2,753.40 km) |
| Karkamis to Oftersheim | 1,702.19 mi (2,739.41 km) |
| Karkamis to Ohrdruf | 1,652.37 mi (2,659.24 km) |
| Karkamis to Ohringen | 1,659.39 mi (2,670.53 km) |
| Karkamis to Olbernhau | 1,545.98 mi (2,488.01 km) |
| Karkamis to Olching | 1,557.71 mi (2,506.89 km) |
| Karkamis to Oldenburg | 1,818.49 mi (2,926.58 km) |
| Karkamis to Oldenburg in Holstein | 1,762.11 mi (2,835.84 km) |
| Karkamis to Olfen | 1,809.60 mi (2,912.27 km) |
| Karkamis to Olpe | 1,773.37 mi (2,853.97 km) |
| Karkamis to Olsberg | 1,756.19 mi (2,826.31 km) |
| Karkamis to Oranienburg | 1,623.25 mi (2,612.38 km) |
| Karkamis to Ortenberg | 1,706.70 mi (2,746.67 km) |
