| Viljandi to Kamenz | 669.25 mi (1,077.06 km) |
| Viljandi to Kamp-Lintfort | 888.57 mi (1,430.02 km) |
| Viljandi to Kandel | 952.67 mi (1,533.18 km) |
| Viljandi to Kappeln | 647.92 mi (1,042.73 km) |
| Viljandi to Karben | 876.93 mi (1,411.28 km) |
| Viljandi to Karlsdorf-Neuthard | 939.70 mi (1,512.30 km) |
| Viljandi to Karlsfeld | 908.69 mi (1,462.39 km) |
| Viljandi to Karlsruhe | 950.49 mi (1,529.66 km) |
| Viljandi to Kassel | 801.45 mi (1,289.81 km) |
| Viljandi to Kaufbeuren | 949.95 mi (1,528.80 km) |
| Viljandi to Kaufering | 931.53 mi (1,499.16 km) |
| Viljandi to Kaufungen | 799.34 mi (1,286.42 km) |
| Viljandi to Kehl | 991.10 mi (1,595.02 km) |
| Viljandi to Kelheim | 858.54 mi (1,381.68 km) |
| Viljandi to Kelkheim (Taunus) | 891.39 mi (1,434.55 km) |
