| Opfikon to Karakocan | 1,676.14 mi (2,697.48 km) |
| Opfikon to Karakopru | 1,684.90 mi (2,711.58 km) |
| Opfikon to Karaman | 1,436.10 mi (2,311.19 km) |
| Opfikon to Karapinar | 1,428.76 mi (2,299.37 km) |
| Opfikon to Karatas | 1,557.12 mi (2,505.94 km) |
| Opfikon to Karatepe | 1,153.74 mi (1,856.76 km) |
| Opfikon to Karayilan | 1,588.57 mi (2,556.56 km) |
| Opfikon to Kargipinar | 1,510.30 mi (2,430.60 km) |
| Opfikon to Karkamis | 1,662.95 mi (2,676.25 km) |
| Opfikon to Karliova | 1,709.36 mi (2,750.94 km) |
| Opfikon to Kars | 1,763.17 mi (2,837.54 km) |
| Opfikon to Kartal | 1,113.41 mi (1,791.86 km) |
| Opfikon to Kas | 1,326.88 mi (2,135.40 km) |
| Opfikon to Kastamonu | 1,306.03 mi (2,101.85 km) |
| Opfikon to Kavak | 1,420.21 mi (2,285.61 km) |
