| Castel Gandolfo to Koscielisko | 626.83 mi (1,008.78 km) |
| Castel Gandolfo to Koscierzyna | 888.95 mi (1,430.63 km) |
| Castel Gandolfo to Kostrzyn | 766.05 mi (1,232.85 km) |
| Castel Gandolfo to Kostrzyn nad Odra | 754.94 mi (1,214.96 km) |
| Castel Gandolfo to Koszalin | 875.51 mi (1,409.00 km) |
| Castel Gandolfo to Kowary | 642.98 mi (1,034.78 km) |
| Castel Gandolfo to Kozienice | 799.04 mi (1,285.93 km) |
| Castel Gandolfo to Kozuchow | 704.94 mi (1,134.50 km) |
| Castel Gandolfo to Kozy | 641.84 mi (1,032.94 km) |
| Castel Gandolfo to Krakow | 672.10 mi (1,081.65 km) |
| Castel Gandolfo to Krapkowice | 653.64 mi (1,051.93 km) |
| Castel Gandolfo to Krasnik | 779.40 mi (1,254.33 km) |
| Castel Gandolfo to Krasnystaw | 810.35 mi (1,304.13 km) |
| Castel Gandolfo to Krosno | 701.32 mi (1,128.67 km) |
| Castel Gandolfo to Krosno Odrzanskie | 719.95 mi (1,158.65 km) |
