| Langley Park to Karditsa | 4,986.70 mi (8,025.31 km) |
| Langley Park to Kastoria | 4,912.20 mi (7,905.42 km) |
| Langley Park to Katerini | 4,974.88 mi (8,006.30 km) |
| Langley Park to Keratsini | 5,118.08 mi (8,236.75 km) |
| Langley Park to Kerkyra | 4,889.95 mi (7,869.61 km) |
| Langley Park to Kiato | 5,078.63 mi (8,173.26 km) |
| Langley Park to Kifisia | 5,121.83 mi (8,242.78 km) |
| Langley Park to Kilkis | 4,961.08 mi (7,984.09 km) |
| Langley Park to Komotini | 5,062.48 mi (8,147.27 km) |
| Langley Park to Korinthos | 5,089.34 mi (8,190.51 km) |
| Langley Park to Koropi | 5,131.98 mi (8,259.12 km) |
| Langley Park to Korydallos | 5,118.82 mi (8,237.95 km) |
| Langley Park to Kos | 5,321.56 mi (8,564.23 km) |
| Langley Park to Kozani | 4,943.00 mi (7,955.00 km) |
| Langley Park to Lagos | 5,047.69 mi (8,123.46 km) |
