| Viterbo to Kalisz | 703.25 mi (1,131.77 km) |
| Viterbo to Kamien Pomorski | 807.38 mi (1,299.35 km) |
| Viterbo to Kamienna Gora | 607.07 mi (976.99 km) |
| Viterbo to Karczew | 792.28 mi (1,275.06 km) |
| Viterbo to Kartuzy | 868.66 mi (1,397.97 km) |
| Viterbo to Katowice | 633.99 mi (1,020.31 km) |
| Viterbo to Kedzierzyn-Kozle | 619.76 mi (997.40 km) |
| Viterbo to Kepno | 672.01 mi (1,081.50 km) |
| Viterbo to Ketrzyn | 910.26 mi (1,464.93 km) |
| Viterbo to Kety | 618.29 mi (995.05 km) |
| Viterbo to Kielce | 709.60 mi (1,141.98 km) |
| Viterbo to Kielczow | 648.30 mi (1,043.34 km) |
| Viterbo to Klobuck | 669.85 mi (1,078.01 km) |
| Viterbo to Klodzko | 594.29 mi (956.42 km) |
| Viterbo to Kluczbork | 658.29 mi (1,059.42 km) |
