| Sidcup to Karis | 1,084.53 mi (1,745.39 km) |
| Sidcup to Karkkila | 1,114.56 mi (1,793.72 km) |
| Sidcup to Kauhajoki | 1,117.08 mi (1,797.77 km) |
| Sidcup to Kauhava | 1,165.70 mi (1,876.01 km) |
| Sidcup to Kauniainen | 1,122.43 mi (1,806.38 km) |
| Sidcup to Kemi | 1,307.21 mi (2,103.76 km) |
| Sidcup to Kemijarvi | 1,411.70 mi (2,271.91 km) |
| Sidcup to Kempele | 1,296.38 mi (2,086.32 km) |
| Sidcup to Kerava | 1,138.78 mi (1,832.69 km) |
| Sidcup to Keuruu | 1,181.04 mi (1,900.70 km) |
| Sidcup to Kiiminki | 1,311.33 mi (2,110.38 km) |
| Sidcup to Kirkkonummi | 1,109.76 mi (1,785.99 km) |
| Sidcup to Kitee | 1,336.74 mi (2,151.27 km) |
| Sidcup to Kiuruvesi | 1,279.51 mi (2,059.18 km) |
| Sidcup to Kivisto | 1,128.74 mi (1,816.53 km) |
