| Castel Gandolfo to Klaukkala | 1,385.43 mi (2,229.63 km) |
| Castel Gandolfo to Kokkola | 1,583.04 mi (2,547.66 km) |
| Castel Gandolfo to Kontiolahti | 1,612.43 mi (2,594.95 km) |
| Castel Gandolfo to Korsholm | 1,520.97 mi (2,447.77 km) |
| Castel Gandolfo to Kotka | 1,427.13 mi (2,296.75 km) |
| Castel Gandolfo to Kouvola | 1,446.78 mi (2,328.36 km) |
| Castel Gandolfo to Kuhmo | 1,685.83 mi (2,713.09 km) |
| Castel Gandolfo to Kuopio | 1,583.69 mi (2,548.71 km) |
| Castel Gandolfo to Kurikka | 1,496.05 mi (2,407.67 km) |
| Castel Gandolfo to Kuusamo | 1,790.78 mi (2,881.99 km) |
| Castel Gandolfo to Kuusankoski | 1,447.81 mi (2,330.02 km) |
| Castel Gandolfo to Lahti | 1,436.37 mi (2,311.62 km) |
| Castel Gandolfo to Laitila | 1,375.71 mi (2,213.99 km) |
| Castel Gandolfo to Lapinlahti | 1,607.78 mi (2,587.48 km) |
| Castel Gandolfo to Lappeenranta | 1,484.55 mi (2,389.15 km) |
