| Round Rock to Kucukcekmece | 6,428.81 mi (10,346.17 km) |
| Round Rock to Kucukkuyu | 6,419.08 mi (10,330.51 km) |
| Round Rock to Kulp | 6,975.31 mi (11,225.67 km) |
| Round Rock to Kulu | 6,679.06 mi (10,748.91 km) |
| Round Rock to Kumcati | 7,074.41 mi (11,385.16 km) |
| Round Rock to Kursunlu | 6,593.93 mi (10,611.90 km) |
| Round Rock to Kurtalan | 7,029.35 mi (11,312.65 km) |
| Round Rock to Kusadasi | 6,525.90 mi (10,502.41 km) |
| Round Rock to Kutahya | 6,551.11 mi (10,542.99 km) |
| Round Rock to Kuzuculu | 6,906.18 mi (11,114.42 km) |
| Round Rock to Lapseki | 6,383.10 mi (10,272.61 km) |
| Round Rock to Lice | 6,966.84 mi (11,212.05 km) |
| Round Rock to Luleburgaz | 6,356.29 mi (10,229.46 km) |
| Round Rock to Macka | 6,802.18 mi (10,947.05 km) |
| Round Rock to Malatya | 6,897.33 mi (11,100.17 km) |
