| Donaueschingen to Kastoria | 812.57 mi (1,307.70 km) |
| Donaueschingen to Katerini | 871.93 mi (1,403.24 km) |
| Donaueschingen to Keratsini | 1,026.25 mi (1,651.59 km) |
| Donaueschingen to Kerkyra | 808.01 mi (1,300.36 km) |
| Donaueschingen to Kiato | 992.24 mi (1,596.85 km) |
| Donaueschingen to Kifisia | 1,027.84 mi (1,654.15 km) |
| Donaueschingen to Kilkis | 854.28 mi (1,374.83 km) |
| Donaueschingen to Komotini | 955.30 mi (1,537.40 km) |
| Donaueschingen to Korinthos | 1,002.38 mi (1,613.17 km) |
| Donaueschingen to Koropi | 1,039.16 mi (1,672.37 km) |
| Donaueschingen to Korydallos | 1,026.65 mi (1,652.23 km) |
| Donaueschingen to Kos | 1,219.83 mi (1,963.13 km) |
| Donaueschingen to Kozani | 842.61 mi (1,356.04 km) |
| Donaueschingen to Lagos | 940.06 mi (1,512.88 km) |
| Donaueschingen to Lamia | 935.40 mi (1,505.38 km) |
