| Gresham to Karditsa | 6,170.63 mi (9,930.66 km) |
| Gresham to Kastoria | 6,084.04 mi (9,791.32 km) |
| Gresham to Katerini | 6,126.34 mi (9,859.39 km) |
| Gresham to Keratsini | 6,295.96 mi (10,132.36 km) |
| Gresham to Kerkyra | 6,109.98 mi (9,833.07 km) |
| Gresham to Kiato | 6,274.50 mi (10,097.84 km) |
| Gresham to Kifisia | 6,292.79 mi (10,127.27 km) |
| Gresham to Kilkis | 6,088.69 mi (9,798.80 km) |
| Gresham to Komotini | 6,132.56 mi (9,869.41 km) |
| Gresham to Korinthos | 6,282.91 mi (10,111.36 km) |
| Gresham to Koropi | 6,305.66 mi (10,147.97 km) |
| Gresham to Korydallos | 6,295.61 mi (10,131.81 km) |
| Gresham to Kos | 6,441.57 mi (10,366.70 km) |
| Gresham to Kozani | 6,108.89 mi (9,831.31 km) |
| Gresham to Lagos | 6,127.05 mi (9,860.53 km) |
