| Grenchen to Karakocan | 1,728.07 mi (2,781.06 km) |
| Grenchen to Karakopru | 1,734.61 mi (2,791.58 km) |
| Grenchen to Karaman | 1,482.21 mi (2,385.38 km) |
| Grenchen to Karapinar | 1,475.81 mi (2,375.09 km) |
| Grenchen to Karatas | 1,604.06 mi (2,581.48 km) |
| Grenchen to Karatepe | 1,202.54 mi (1,935.31 km) |
| Grenchen to Karayilan | 1,636.27 mi (2,633.33 km) |
| Grenchen to Kargipinar | 1,556.67 mi (2,505.21 km) |
| Grenchen to Karkamis | 1,711.86 mi (2,754.98 km) |
| Grenchen to Karliova | 1,761.96 mi (2,835.60 km) |
| Grenchen to Kars | 1,817.37 mi (2,924.78 km) |
| Grenchen to Kartal | 1,161.92 mi (1,869.93 km) |
| Grenchen to Kas | 1,368.20 mi (2,201.90 km) |
| Grenchen to Kastamonu | 1,357.80 mi (2,185.16 km) |
| Grenchen to Kavak | 1,472.58 mi (2,369.89 km) |
