| Round Rock to Kidricevo | 5,696.75 mi (9,168.04 km) |
| Round Rock to Kobarid | 5,618.05 mi (9,041.38 km) |
| Round Rock to Kobilje | 5,707.67 mi (9,185.61 km) |
| Round Rock to Kocevje | 5,692.36 mi (9,160.96 km) |
| Round Rock to Komen | 5,642.16 mi (9,080.18 km) |
| Round Rock to Komenda | 5,656.80 mi (9,103.74 km) |
| Round Rock to Koper | 5,652.25 mi (9,096.41 km) |
| Round Rock to Kostanjevica na Krki | 5,705.78 mi (9,182.57 km) |
| Round Rock to Kostel | 5,699.85 mi (9,173.03 km) |
| Round Rock to Kozje | 5,701.46 mi (9,175.62 km) |
| Round Rock to Kranj | 5,649.09 mi (9,091.34 km) |
| Round Rock to Kranjska Gora | 5,616.50 mi (9,038.88 km) |
| Round Rock to Krizevci | 5,703.12 mi (9,178.28 km) |
| Round Rock to Krsko | 5,703.72 mi (9,179.25 km) |
| Round Rock to Kuzma | 5,689.66 mi (9,156.63 km) |
