| Boulogne-Billancourt to Koscielisko | 797.55 mi (1,283.53 km) |
| Boulogne-Billancourt to Koscierzyna | 767.13 mi (1,234.58 km) |
| Boulogne-Billancourt to Kostrzyn | 699.74 mi (1,126.13 km) |
| Boulogne-Billancourt to Kostrzyn nad Odra | 601.27 mi (967.65 km) |
| Boulogne-Billancourt to Koszalin | 702.96 mi (1,131.30 km) |
| Boulogne-Billancourt to Kowary | 619.94 mi (997.70 km) |
| Boulogne-Billancourt to Kozienice | 872.63 mi (1,404.37 km) |
| Boulogne-Billancourt to Kozuchow | 622.06 mi (1,001.11 km) |
| Boulogne-Billancourt to Kozy | 762.75 mi (1,227.53 km) |
| Boulogne-Billancourt to Krakow | 797.52 mi (1,283.49 km) |
| Boulogne-Billancourt to Krapkowice | 711.06 mi (1,144.34 km) |
| Boulogne-Billancourt to Krasnik | 898.15 mi (1,445.43 km) |
| Boulogne-Billancourt to Krasnystaw | 940.31 mi (1,513.28 km) |
| Boulogne-Billancourt to Krosno | 879.19 mi (1,414.91 km) |
| Boulogne-Billancourt to Krosno Odrzanskie | 606.51 mi (976.08 km) |
