| Giessen to Kastoria | 922.35 mi (1,484.39 km) |
| Giessen to Katerini | 975.70 mi (1,570.24 km) |
| Giessen to Keratsini | 1,138.79 mi (1,832.70 km) |
| Giessen to Kerkyra | 932.98 mi (1,501.49 km) |
| Giessen to Kiato | 1,109.48 mi (1,785.54 km) |
| Giessen to Kifisia | 1,138.56 mi (1,832.33 km) |
| Giessen to Kilkis | 949.90 mi (1,528.71 km) |
| Giessen to Komotini | 1,034.77 mi (1,665.30 km) |
| Giessen to Korinthos | 1,119.00 mi (1,800.86 km) |
| Giessen to Koropi | 1,150.64 mi (1,851.78 km) |
| Giessen to Korydallos | 1,138.90 mi (1,832.88 km) |
| Giessen to Kos | 1,319.46 mi (2,123.47 km) |
| Giessen to Kozani | 950.69 mi (1,529.98 km) |
| Giessen to Lagos | 1,022.03 mi (1,644.80 km) |
| Giessen to Lamia | 1,049.16 mi (1,688.46 km) |
