| Castel Gandolfo to Karis | 1,349.68 mi (2,172.10 km) |
| Castel Gandolfo to Karkkila | 1,386.69 mi (2,231.67 km) |
| Castel Gandolfo to Kauhajoki | 1,481.66 mi (2,384.49 km) |
| Castel Gandolfo to Kauhava | 1,534.69 mi (2,469.84 km) |
| Castel Gandolfo to Kauniainen | 1,375.02 mi (2,212.89 km) |
| Castel Gandolfo to Kemi | 1,720.65 mi (2,769.12 km) |
| Castel Gandolfo to Kemijarvi | 1,814.61 mi (2,920.34 km) |
| Castel Gandolfo to Kempele | 1,678.60 mi (2,701.45 km) |
| Castel Gandolfo to Kerava | 1,392.06 mi (2,240.30 km) |
| Castel Gandolfo to Keuruu | 1,501.36 mi (2,416.21 km) |
| Castel Gandolfo to Kiiminki | 1,695.70 mi (2,728.97 km) |
| Castel Gandolfo to Kirkkonummi | 1,363.92 mi (2,195.02 km) |
| Castel Gandolfo to Kitee | 1,579.62 mi (2,542.15 km) |
| Castel Gandolfo to Kiuruvesi | 1,614.05 mi (2,597.56 km) |
| Castel Gandolfo to Kivisto | 1,383.35 mi (2,226.28 km) |
