| Fitchburg to Koscian | 3,931.82 mi (6,327.65 km) |
| Fitchburg to Koscielisko | 4,151.49 mi (6,681.17 km) |
| Fitchburg to Koscierzyna | 3,913.74 mi (6,298.55 km) |
| Fitchburg to Kostrzyn | 3,942.77 mi (6,345.28 km) |
| Fitchburg to Kostrzyn nad Odra | 3,841.48 mi (6,182.26 km) |
| Fitchburg to Koszalin | 3,846.53 mi (6,190.40 km) |
| Fitchburg to Kowary | 3,943.77 mi (6,346.89 km) |
| Fitchburg to Kozienice | 4,130.67 mi (6,647.66 km) |
| Fitchburg to Kozuchow | 3,903.35 mi (6,281.84 km) |
| Fitchburg to Kozy | 4,102.40 mi (6,602.18 km) |
| Fitchburg to Krakow | 4,125.27 mi (6,638.98 km) |
| Fitchburg to Krapkowice | 4,036.21 mi (6,495.64 km) |
| Fitchburg to Krasnik | 4,178.95 mi (6,725.37 km) |
| Fitchburg to Krasnystaw | 4,211.87 mi (6,778.34 km) |
| Fitchburg to Krosno | 4,207.51 mi (6,771.34 km) |
