| Willebroek to Karkkila | 1,003.95 mi (1,615.71 km) |
| Willebroek to Kauhajoki | 1,028.37 mi (1,655.00 km) |
| Willebroek to Kauhava | 1,079.99 mi (1,738.07 km) |
| Willebroek to Kauniainen | 1,007.94 mi (1,622.12 km) |
| Willebroek to Kemi | 1,237.67 mi (1,991.84 km) |
| Willebroek to Kemijarvi | 1,342.25 mi (2,160.14 km) |
| Willebroek to Kempele | 1,218.42 mi (1,960.85 km) |
| Willebroek to Kerava | 1,025.12 mi (1,649.77 km) |
| Willebroek to Keuruu | 1,084.04 mi (1,744.60 km) |
| Willebroek to Kiiminki | 1,234.36 mi (1,986.52 km) |
| Willebroek to Kirkkonummi | 995.06 mi (1,601.40 km) |
| Willebroek to Kitee | 1,227.92 mi (1,976.15 km) |
| Willebroek to Kiuruvesi | 1,189.30 mi (1,913.99 km) |
| Willebroek to Kivisto | 1,014.94 mi (1,633.39 km) |
| Willebroek to Klaukkala | 1,014.12 mi (1,632.07 km) |
