| Castle Rock to Kidricevo | 5,470.80 mi (8,804.40 km) |
| Castle Rock to Kobarid | 5,406.18 mi (8,700.40 km) |
| Castle Rock to Kobilje | 5,475.78 mi (8,812.42 km) |
| Castle Rock to Kocevje | 5,478.81 mi (8,817.28 km) |
| Castle Rock to Komen | 5,433.36 mi (8,744.14 km) |
| Castle Rock to Komenda | 5,439.85 mi (8,754.59 km) |
| Castle Rock to Koper | 5,446.04 mi (8,764.55 km) |
| Castle Rock to Kostanjevica na Krki | 5,487.09 mi (8,830.63 km) |
| Castle Rock to Kostel | 5,487.25 mi (8,830.87 km) |
| Castle Rock to Kozje | 5,479.91 mi (8,819.07 km) |
| Castle Rock to Kranj | 5,432.88 mi (8,743.38 km) |
| Castle Rock to Kranjska Gora | 5,401.20 mi (8,692.39 km) |
| Castle Rock to Krizevci | 5,473.78 mi (8,809.19 km) |
| Castle Rock to Krsko | 5,483.74 mi (8,825.23 km) |
| Castle Rock to Kuzma | 5,458.19 mi (8,784.11 km) |
