| Royston to Jozefow | 899.05 mi (1,446.88 km) |
| Royston to Kalisz | 769.89 mi (1,239.02 km) |
| Royston to Kamien Pomorski | 627.92 mi (1,010.54 km) |
| Royston to Kamienna Gora | 695.81 mi (1,119.79 km) |
| Royston to Karczew | 900.24 mi (1,448.79 km) |
| Royston to Kartuzy | 768.33 mi (1,236.51 km) |
| Royston to Katowice | 831.61 mi (1,338.34 km) |
| Royston to Kedzierzyn-Kozle | 795.36 mi (1,280.00 km) |
| Royston to Kepno | 771.36 mi (1,241.39 km) |
| Royston to Ketrzyn | 896.15 mi (1,442.21 km) |
| Royston to Kety | 847.37 mi (1,363.70 km) |
| Royston to Kielce | 889.76 mi (1,431.93 km) |
| Royston to Kielczow | 739.12 mi (1,189.50 km) |
| Royston to Klobuck | 816.93 mi (1,314.72 km) |
| Royston to Klodzko | 728.00 mi (1,171.60 km) |
