| Langenthal to Karditsa | 891.79 mi (1,435.20 km) |
| Langenthal to Kastoria | 813.92 mi (1,309.88 km) |
| Langenthal to Katerini | 875.42 mi (1,408.85 km) |
| Langenthal to Keratsini | 1,024.80 mi (1,649.26 km) |
| Langenthal to Kerkyra | 802.26 mi (1,291.11 km) |
| Langenthal to Kiato | 988.85 mi (1,591.40 km) |
| Langenthal to Kifisia | 1,027.20 mi (1,653.12 km) |
| Langenthal to Kilkis | 861.35 mi (1,386.20 km) |
| Langenthal to Komotini | 967.93 mi (1,557.73 km) |
| Langenthal to Korinthos | 999.21 mi (1,608.08 km) |
| Langenthal to Koropi | 1,038.12 mi (1,670.69 km) |
| Langenthal to Korydallos | 1,025.33 mi (1,650.11 km) |
| Langenthal to Kos | 1,222.99 mi (1,968.21 km) |
| Langenthal to Kozani | 844.46 mi (1,359.02 km) |
| Langenthal to Lagos | 951.86 mi (1,531.86 km) |
