| Radviliskis to Karakocan | 1,388.69 mi (2,234.87 km) |
| Radviliskis to Karakopru | 1,469.04 mi (2,364.20 km) |
| Radviliskis to Karaman | 1,363.05 mi (2,193.62 km) |
| Radviliskis to Karapinar | 1,333.04 mi (2,145.33 km) |
| Radviliskis to Karatas | 1,439.97 mi (2,317.41 km) |
| Radviliskis to Karatepe | 1,080.90 mi (1,739.54 km) |
| Radviliskis to Karayilan | 1,445.77 mi (2,326.74 km) |
| Radviliskis to Kargipinar | 1,416.39 mi (2,279.46 km) |
| Radviliskis to Karkamis | 1,473.97 mi (2,372.12 km) |
| Radviliskis to Karliova | 1,392.55 mi (2,241.10 km) |
| Radviliskis to Kars | 1,372.93 mi (2,209.52 km) |
| Radviliskis to Kartal | 1,061.56 mi (1,708.41 km) |
| Radviliskis to Kas | 1,384.07 mi (2,227.45 km) |
| Radviliskis to Kastamonu | 1,098.02 mi (1,767.09 km) |
| Radviliskis to Kavak | 1,163.47 mi (1,872.42 km) |
