| Challans to Karis | 1,376.72 mi (2,215.62 km) |
| Challans to Karkkila | 1,409.19 mi (2,267.87 km) |
| Challans to Kauhajoki | 1,426.95 mi (2,296.45 km) |
| Challans to Kauhava | 1,477.39 mi (2,377.63 km) |
| Challans to Kauniainen | 1,413.75 mi (2,275.21 km) |
| Challans to Kemi | 1,626.84 mi (2,618.15 km) |
| Challans to Kemijarvi | 1,731.58 mi (2,786.71 km) |
| Challans to Kempele | 1,612.34 mi (2,594.82 km) |
| Challans to Kerava | 1,430.84 mi (2,302.72 km) |
| Challans to Keuruu | 1,485.94 mi (2,391.39 km) |
| Challans to Kiiminki | 1,627.79 mi (2,619.68 km) |
| Challans to Kirkkonummi | 1,400.88 mi (2,254.51 km) |
| Challans to Kitee | 1,633.12 mi (2,628.26 km) |
| Challans to Kiuruvesi | 1,588.91 mi (2,557.11 km) |
| Challans to Kivisto | 1,420.67 mi (2,286.35 km) |
