| Heidelberg to Kastoria | 866.46 mi (1,394.43 km) |
| Heidelberg to Katerini | 922.34 mi (1,484.36 km) |
| Heidelberg to Keratsini | 1,082.40 mi (1,741.95 km) |
| Heidelberg to Kerkyra | 871.28 mi (1,402.18 km) |
| Heidelberg to Kiato | 1,051.18 mi (1,691.72 km) |
| Heidelberg to Kifisia | 1,082.88 mi (1,742.73 km) |
| Heidelberg to Kilkis | 899.68 mi (1,447.90 km) |
| Heidelberg to Komotini | 991.38 mi (1,595.47 km) |
| Heidelberg to Korinthos | 1,060.97 mi (1,707.46 km) |
| Heidelberg to Koropi | 1,094.70 mi (1,761.74 km) |
| Heidelberg to Korydallos | 1,082.62 mi (1,742.31 km) |
| Heidelberg to Kos | 1,268.58 mi (2,041.58 km) |
| Heidelberg to Kozani | 895.55 mi (1,441.25 km) |
| Heidelberg to Lagos | 977.58 mi (1,573.26 km) |
| Heidelberg to Lamia | 992.08 mi (1,596.60 km) |
