| Castellammare del Golfo to Karis | 1,594.71 mi (2,566.43 km) |
| Castellammare del Golfo to Karkkila | 1,631.48 mi (2,625.62 km) |
| Castellammare del Golfo to Kauhajoki | 1,731.58 mi (2,786.72 km) |
| Castellammare del Golfo to Kauhava | 1,784.17 mi (2,871.34 km) |
| Castellammare del Golfo to Kauniainen | 1,618.40 mi (2,604.57 km) |
| Castellammare del Golfo to Kemi | 1,970.89 mi (3,171.84 km) |
| Castellammare del Golfo to Kemijarvi | 2,063.18 mi (3,320.37 km) |
| Castellammare del Golfo to Kempele | 1,927.17 mi (3,101.49 km) |
| Castellammare del Golfo to Kerava | 1,635.11 mi (2,631.45 km) |
| Castellammare del Golfo to Keuruu | 1,747.84 mi (2,812.87 km) |
| Castellammare del Golfo to Kiiminki | 1,944.23 mi (3,128.93 km) |
| Castellammare del Golfo to Kirkkonummi | 1,607.70 mi (2,587.34 km) |
| Castellammare del Golfo to Kitee | 1,817.59 mi (2,925.13 km) |
| Castellammare del Golfo to Kiuruvesi | 1,859.86 mi (2,993.15 km) |
| Castellammare del Golfo to Kivisto | 1,626.71 mi (2,617.94 km) |
