| Frosinone to Karis | 1,347.27 mi (2,168.23 km) |
| Frosinone to Karkkila | 1,384.18 mi (2,227.62 km) |
| Frosinone to Kauhajoki | 1,482.07 mi (2,385.16 km) |
| Frosinone to Kauhava | 1,534.83 mi (2,470.07 km) |
| Frosinone to Kauniainen | 1,371.82 mi (2,207.73 km) |
| Frosinone to Kemi | 1,721.30 mi (2,770.17 km) |
| Frosinone to Kemijarvi | 1,814.24 mi (2,919.75 km) |
| Frosinone to Kempele | 1,678.21 mi (2,700.82 km) |
| Frosinone to Kerava | 1,388.70 mi (2,234.90 km) |
| Frosinone to Keuruu | 1,499.76 mi (2,413.63 km) |
| Frosinone to Kiiminki | 1,695.29 mi (2,728.30 km) |
| Frosinone to Kirkkonummi | 1,360.90 mi (2,190.16 km) |
| Frosinone to Kitee | 1,574.15 mi (2,533.35 km) |
| Frosinone to Kiuruvesi | 1,612.13 mi (2,594.47 km) |
| Frosinone to Kivisto | 1,380.14 mi (2,221.12 km) |
