| Fitchburg to Jozefow | 4,098.68 mi (6,596.19 km) |
| Fitchburg to Kalisz | 3,996.01 mi (6,430.96 km) |
| Fitchburg to Kamien Pomorski | 3,802.55 mi (6,119.61 km) |
| Fitchburg to Kamienna Gora | 3,951.70 mi (6,359.65 km) |
| Fitchburg to Karczew | 4,101.08 mi (6,600.05 km) |
| Fitchburg to Kartuzy | 3,914.38 mi (6,299.58 km) |
| Fitchburg to Katowice | 4,083.08 mi (6,571.08 km) |
| Fitchburg to Kedzierzyn-Kozle | 4,049.14 mi (6,516.47 km) |
| Fitchburg to Kepno | 4,008.63 mi (6,451.26 km) |
| Fitchburg to Ketrzyn | 4,035.02 mi (6,493.74 km) |
| Fitchburg to Kety | 4,103.75 mi (6,604.34 km) |
| Fitchburg to Kielce | 4,121.98 mi (6,633.69 km) |
| Fitchburg to Kielczow | 3,983.19 mi (6,410.33 km) |
| Fitchburg to Klobuck | 4,056.99 mi (6,529.09 km) |
| Fitchburg to Klodzko | 3,987.11 mi (6,416.63 km) |
