| Grantham to Karditsa | 1,418.28 mi (2,282.51 km) |
| Grantham to Kastoria | 1,336.20 mi (2,150.41 km) |
| Grantham to Katerini | 1,393.17 mi (2,242.09 km) |
| Grantham to Keratsini | 1,551.43 mi (2,496.79 km) |
| Grantham to Kerkyra | 1,335.64 mi (2,149.50 km) |
| Grantham to Kiato | 1,518.71 mi (2,444.13 km) |
| Grantham to Kifisia | 1,552.40 mi (2,498.35 km) |
| Grantham to Kilkis | 1,371.13 mi (2,206.61 km) |
| Grantham to Komotini | 1,461.44 mi (2,351.96 km) |
| Grantham to Korinthos | 1,528.71 mi (2,460.23 km) |
| Grantham to Koropi | 1,564.02 mi (2,517.04 km) |
| Grantham to Korydallos | 1,551.74 mi (2,497.28 km) |
| Grantham to Kos | 1,739.87 mi (2,800.05 km) |
| Grantham to Kozani | 1,365.66 mi (2,197.81 km) |
| Grantham to Lagos | 1,448.08 mi (2,330.46 km) |
