| Radolfzell am Bodensee to Karis | 1,036.36 mi (1,667.87 km) |
| Radolfzell am Bodensee to Karkkila | 1,072.89 mi (1,726.65 km) |
| Radolfzell am Bodensee to Kauhajoki | 1,137.05 mi (1,829.90 km) |
| Radolfzell am Bodensee to Kauhava | 1,191.04 mi (1,916.79 km) |
| Radolfzell am Bodensee to Kauniainen | 1,068.59 mi (1,719.73 km) |
| Radolfzell am Bodensee to Kemi | 1,368.24 mi (2,201.98 km) |
| Radolfzell am Bodensee to Kemijarvi | 1,469.15 mi (2,364.38 km) |
| Radolfzell am Bodensee to Kempele | 1,336.11 mi (2,150.26 km) |
| Radolfzell am Bodensee to Kerava | 1,086.42 mi (1,748.42 km) |
| Radolfzell am Bodensee to Keuruu | 1,174.70 mi (1,890.50 km) |
| Radolfzell am Bodensee to Kiiminki | 1,353.05 mi (2,177.52 km) |
| Radolfzell am Bodensee to Kirkkonummi | 1,056.11 mi (1,699.65 km) |
| Radolfzell am Bodensee to Kitee | 1,288.53 mi (2,073.69 km) |
| Radolfzell am Bodensee to Kiuruvesi | 1,287.12 mi (2,071.41 km) |
| Radolfzell am Bodensee to Kivisto | 1,076.60 mi (1,732.62 km) |
