| Bostonia to Krosno Odrzanskie | 5,897.32 mi (9,490.83 km) |
| Bostonia to Krotoszyn | 5,977.54 mi (9,619.93 km) |
| Bostonia to Kruszwica | 5,945.14 mi (9,567.77 km) |
| Bostonia to Krynica | 6,195.14 mi (9,970.11 km) |
| Bostonia to Krzeszowice | 6,120.54 mi (9,850.07 km) |
| Bostonia to Kudowa-Zdroj | 6,014.35 mi (9,679.17 km) |
| Bostonia to Kutno | 5,995.61 mi (9,649.00 km) |
| Bostonia to Kwidzyn | 5,900.76 mi (9,496.35 km) |
| Bostonia to Lancut | 6,189.30 mi (9,960.71 km) |
| Bostonia to Lapy | 6,035.72 mi (9,713.54 km) |
| Bostonia to Lask | 6,025.93 mi (9,697.79 km) |
| Bostonia to Laziska Gorne | 6,099.42 mi (9,816.07 km) |
| Bostonia to Lebork | 5,827.12 mi (9,377.84 km) |
| Bostonia to Leczna | 6,133.42 mi (9,870.79 km) |
| Bostonia to Leczyca | 6,001.79 mi (9,658.95 km) |
