| Boussu to Karakocan | 1,924.31 mi (3,096.88 km) |
| Boussu to Karakopru | 1,945.64 mi (3,131.20 km) |
| Boussu to Karaman | 1,712.16 mi (2,755.46 km) |
| Boussu to Karapinar | 1,701.66 mi (2,738.55 km) |
| Boussu to Karatas | 1,829.92 mi (2,944.97 km) |
| Boussu to Karatepe | 1,421.49 mi (2,287.66 km) |
| Boussu to Karayilan | 1,858.44 mi (2,990.87 km) |
| Boussu to Kargipinar | 1,785.24 mi (2,873.07 km) |
| Boussu to Karkamis | 1,927.48 mi (3,101.98 km) |
| Boussu to Karliova | 1,952.74 mi (3,142.63 km) |
| Boussu to Kars | 1,992.68 mi (3,206.90 km) |
| Boussu to Kartal | 1,382.64 mi (2,225.15 km) |
| Boussu to Kas | 1,615.19 mi (2,599.40 km) |
| Boussu to Kastamonu | 1,557.71 mi (2,506.90 km) |
| Boussu to Kavak | 1,667.10 mi (2,682.95 km) |
