| Viareggio to Karis | 1,251.22 mi (2,013.64 km) |
| Viareggio to Karkkila | 1,288.36 mi (2,073.41 km) |
| Viareggio to Kauhajoki | 1,369.46 mi (2,203.94 km) |
| Viareggio to Kauhava | 1,423.30 mi (2,290.57 km) |
| Viareggio to Kauniainen | 1,279.98 mi (2,059.93 km) |
| Viareggio to Kemi | 1,605.91 mi (2,584.46 km) |
| Viareggio to Kemijarvi | 1,703.75 mi (2,741.93 km) |
| Viareggio to Kempele | 1,568.58 mi (2,524.39 km) |
| Viareggio to Kerava | 1,297.54 mi (2,088.19 km) |
| Viareggio to Keuruu | 1,397.92 mi (2,249.74 km) |
| Viareggio to Kiiminki | 1,585.69 mi (2,551.92 km) |
| Viareggio to Kirkkonummi | 1,268.14 mi (2,040.87 km) |
| Viareggio to Kitee | 1,493.41 mi (2,403.41 km) |
| Viareggio to Kiuruvesi | 1,511.23 mi (2,432.09 km) |
| Viareggio to Kivisto | 1,288.24 mi (2,073.22 km) |
