| Wheat Ridge to Karditsa | 6,028.22 mi (9,701.49 km) |
| Wheat Ridge to Kastoria | 5,944.46 mi (9,566.68 km) |
| Wheat Ridge to Katerini | 5,998.00 mi (9,652.85 km) |
| Wheat Ridge to Keratsini | 6,160.76 mi (9,914.78 km) |
| Wheat Ridge to Kerkyra | 5,948.08 mi (9,572.51 km) |
| Wheat Ridge to Kiato | 6,129.86 mi (9,865.06 km) |
| Wheat Ridge to Kifisia | 6,160.83 mi (9,914.89 km) |
| Wheat Ridge to Kilkis | 5,970.41 mi (9,608.45 km) |
| Wheat Ridge to Komotini | 6,043.14 mi (9,725.50 km) |
| Wheat Ridge to Korinthos | 6,139.67 mi (9,880.85 km) |
| Wheat Ridge to Koropi | 6,172.82 mi (9,934.20 km) |
| Wheat Ridge to Korydallos | 6,160.93 mi (9,915.06 km) |
| Wheat Ridge to Kos | 6,339.32 mi (10,202.15 km) |
| Wheat Ridge to Kozani | 5,973.03 mi (9,612.66 km) |
| Wheat Ridge to Lagos | 6,033.04 mi (9,709.24 km) |
