| Grantham to Kluczbork | 811.53 mi (1,306.04 km) |
| Grantham to Knurow | 847.75 mi (1,364.32 km) |
| Grantham to Kobylka | 913.26 mi (1,469.75 km) |
| Grantham to Kokoszki | 787.44 mi (1,267.26 km) |
| Grantham to Kolbuszowa | 975.18 mi (1,569.41 km) |
| Grantham to Kolno | 931.71 mi (1,499.44 km) |
| Grantham to Kolo | 808.57 mi (1,301.26 km) |
| Grantham to Kolobrzeg | 669.77 mi (1,077.89 km) |
| Grantham to Koluszki | 863.70 mi (1,390.00 km) |
| Grantham to Komorniki | 727.34 mi (1,170.54 km) |
| Grantham to Konin | 793.11 mi (1,276.39 km) |
| Grantham to Konskie | 898.98 mi (1,446.76 km) |
| Grantham to Konstancin-Jeziorna | 913.32 mi (1,469.84 km) |
| Grantham to Konstantynow Lodzki | 844.28 mi (1,358.74 km) |
| Grantham to Koronowo | 768.44 mi (1,236.69 km) |
