| Grenchen to Kocaeli | 1,199.31 mi (1,930.10 km) |
| Grenchen to Konak | 1,164.58 mi (1,874.22 km) |
| Grenchen to Konakli | 1,448.19 mi (2,330.63 km) |
| Grenchen to Konya | 1,421.96 mi (2,288.43 km) |
| Grenchen to Koprukoy | 1,779.83 mi (2,864.36 km) |
| Grenchen to Korfez | 1,190.20 mi (1,915.44 km) |
| Grenchen to Korkut | 1,816.95 mi (2,924.10 km) |
| Grenchen to Kose | 1,668.37 mi (2,684.98 km) |
| Grenchen to Kovancilar | 1,728.26 mi (2,781.36 km) |
| Grenchen to Koyulhisar | 1,580.25 mi (2,543.16 km) |
| Grenchen to Kozan | 1,587.79 mi (2,555.30 km) |
| Grenchen to Kozlu | 1,261.94 mi (2,030.90 km) |
| Grenchen to Kozluk | 1,822.41 mi (2,932.89 km) |
| Grenchen to Kucuk Dalyan | 1,653.47 mi (2,661.01 km) |
| Grenchen to Kucukcekmece | 1,140.35 mi (1,835.22 km) |
