| Fitchburg to Kluczbork | 4,027.74 mi (6,482.02 km) |
| Fitchburg to Knurow | 4,072.20 mi (6,553.57 km) |
| Fitchburg to Kobylka | 4,090.32 mi (6,582.73 km) |
| Fitchburg to Kokoszki | 3,924.04 mi (6,315.13 km) |
| Fitchburg to Kolbuszowa | 4,187.03 mi (6,738.37 km) |
| Fitchburg to Kolno | 4,078.09 mi (6,563.05 km) |
| Fitchburg to Kolo | 4,001.37 mi (6,439.59 km) |
| Fitchburg to Kolobrzeg | 3,825.37 mi (6,156.34 km) |
| Fitchburg to Koluszki | 4,059.93 mi (6,533.82 km) |
| Fitchburg to Komorniki | 3,927.63 mi (6,320.91 km) |
| Fitchburg to Konin | 3,987.30 mi (6,416.94 km) |
| Fitchburg to Konskie | 4,102.22 mi (6,601.89 km) |
| Fitchburg to Konstancin-Jeziorna | 4,096.24 mi (6,592.26 km) |
| Fitchburg to Konstantynow Lodzki | 4,042.72 mi (6,506.13 km) |
| Fitchburg to Koronowo | 3,938.23 mi (6,337.97 km) |
