| Waltham to Jozefow | 4,087.63 mi (6,578.41 km) |
| Waltham to Kalisz | 3,984.16 mi (6,411.89 km) |
| Waltham to Kamien Pomorski | 3,791.35 mi (6,101.59 km) |
| Waltham to Kamienna Gora | 3,938.94 mi (6,339.11 km) |
| Waltham to Karczew | 4,090.01 mi (6,582.23 km) |
| Waltham to Kartuzy | 3,903.98 mi (6,282.84 km) |
| Waltham to Katowice | 4,070.61 mi (6,551.02 km) |
| Waltham to Kedzierzyn-Kozle | 4,036.56 mi (6,496.22 km) |
| Waltham to Kepno | 3,996.50 mi (6,431.74 km) |
| Waltham to Ketrzyn | 4,025.05 mi (6,477.70 km) |
| Waltham to Kety | 4,091.13 mi (6,584.04 km) |
| Waltham to Kielce | 4,110.16 mi (6,614.66 km) |
| Waltham to Kielczow | 3,970.84 mi (6,390.44 km) |
| Waltham to Klobuck | 4,044.85 mi (6,509.56 km) |
| Waltham to Klodzko | 3,974.27 mi (6,395.96 km) |
