| Bostonia to Jozefow | 6,046.45 mi (9,730.81 km) |
| Bostonia to Kalisz | 5,990.00 mi (9,639.97 km) |
| Bostonia to Kamien Pomorski | 5,784.69 mi (9,309.56 km) |
| Bostonia to Kamienna Gora | 5,990.00 mi (9,639.97 km) |
| Bostonia to Karczew | 6,049.70 mi (9,736.06 km) |
| Bostonia to Kartuzy | 5,849.93 mi (9,414.55 km) |
| Bostonia to Katowice | 6,097.20 mi (9,812.49 km) |
| Bostonia to Kedzierzyn-Kozle | 6,071.33 mi (9,770.86 km) |
| Bostonia to Kepno | 6,013.85 mi (9,678.35 km) |
| Bostonia to Ketrzyn | 5,938.35 mi (9,556.85 km) |
| Bostonia to Kety | 6,122.95 mi (9,853.93 km) |
| Bostonia to Kielce | 6,103.73 mi (9,823.00 km) |
| Bostonia to Kielczow | 6,000.83 mi (9,657.40 km) |
| Bostonia to Klobuck | 6,058.63 mi (9,750.43 km) |
| Bostonia to Klodzko | 6,025.68 mi (9,697.39 km) |
