| Castel Gandolfo to Knurow | 652.41 mi (1,049.95 km) |
| Castel Gandolfo to Kobylka | 833.55 mi (1,341.47 km) |
| Castel Gandolfo to Kokoszki | 911.09 mi (1,466.26 km) |
| Castel Gandolfo to Kolbuszowa | 731.35 mi (1,176.99 km) |
| Castel Gandolfo to Kolno | 912.91 mi (1,469.19 km) |
| Castel Gandolfo to Kolo | 774.68 mi (1,246.73 km) |
| Castel Gandolfo to Kolobrzeg | 869.17 mi (1,398.80 km) |
| Castel Gandolfo to Koluszki | 768.67 mi (1,237.05 km) |
| Castel Gandolfo to Komorniki | 751.15 mi (1,208.85 km) |
| Castel Gandolfo to Konin | 769.71 mi (1,238.72 km) |
| Castel Gandolfo to Konskie | 749.44 mi (1,206.11 km) |
| Castel Gandolfo to Konstancin-Jeziorna | 817.05 mi (1,314.92 km) |
| Castel Gandolfo to Konstantynow Lodzki | 759.32 mi (1,222.00 km) |
| Castel Gandolfo to Koronowo | 835.92 mi (1,345.29 km) |
| Castel Gandolfo to Koscian | 738.39 mi (1,188.32 km) |
