| Ronciglione to Kalisz | 709.55 mi (1,141.91 km) |
| Ronciglione to Kamien Pomorski | 815.48 mi (1,312.40 km) |
| Ronciglione to Kamienna Gora | 614.08 mi (988.26 km) |
| Ronciglione to Karczew | 797.34 mi (1,283.19 km) |
| Ronciglione to Kartuzy | 875.64 mi (1,409.21 km) |
| Ronciglione to Katowice | 639.15 mi (1,028.61 km) |
| Ronciglione to Kedzierzyn-Kozle | 625.40 mi (1,006.49 km) |
| Ronciglione to Kepno | 678.18 mi (1,091.43 km) |
| Ronciglione to Ketrzyn | 916.08 mi (1,474.29 km) |
| Ronciglione to Kety | 623.13 mi (1,002.83 km) |
| Ronciglione to Kielce | 714.29 mi (1,149.54 km) |
| Ronciglione to Kielczow | 654.82 mi (1,053.84 km) |
| Ronciglione to Klobuck | 675.38 mi (1,086.92 km) |
| Ronciglione to Klodzko | 600.84 mi (966.96 km) |
| Ronciglione to Kluczbork | 664.22 mi (1,068.96 km) |
