| Ferentino to Karis | 1,345.34 mi (2,165.11 km) |
| Ferentino to Karkkila | 1,382.26 mi (2,224.53 km) |
| Ferentino to Kauhajoki | 1,479.69 mi (2,381.33 km) |
| Ferentino to Kauhava | 1,532.49 mi (2,466.31 km) |
| Ferentino to Kauniainen | 1,370.01 mi (2,204.82 km) |
| Ferentino to Kemi | 1,718.89 mi (2,766.29 km) |
| Ferentino to Kemijarvi | 1,812.00 mi (2,916.13 km) |
| Ferentino to Kempele | 1,675.97 mi (2,697.21 km) |
| Ferentino to Kerava | 1,386.92 mi (2,232.03 km) |
| Ferentino to Keuruu | 1,497.70 mi (2,410.31 km) |
| Ferentino to Kiiminki | 1,693.05 mi (2,724.70 km) |
| Ferentino to Kirkkonummi | 1,359.06 mi (2,187.20 km) |
| Ferentino to Kitee | 1,572.72 mi (2,531.05 km) |
| Ferentino to Kiuruvesi | 1,610.12 mi (2,591.24 km) |
| Ferentino to Kivisto | 1,378.33 mi (2,218.21 km) |
