| Boulogne-Billancourt to Kalisz | 726.02 mi (1,168.42 km) |
| Boulogne-Billancourt to Kamien Pomorski | 644.83 mi (1,037.76 km) |
| Boulogne-Billancourt to Kamienna Gora | 628.54 mi (1,011.53 km) |
| Boulogne-Billancourt to Karczew | 862.95 mi (1,388.78 km) |
| Boulogne-Billancourt to Kartuzy | 780.90 mi (1,256.74 km) |
| Boulogne-Billancourt to Katowice | 756.82 mi (1,217.98 km) |
| Boulogne-Billancourt to Kedzierzyn-Kozle | 720.96 mi (1,160.27 km) |
| Boulogne-Billancourt to Kepno | 716.96 mi (1,153.83 km) |
| Boulogne-Billancourt to Ketrzyn | 896.66 mi (1,443.04 km) |
| Boulogne-Billancourt to Kety | 765.68 mi (1,232.24 km) |
| Boulogne-Billancourt to Kielce | 829.08 mi (1,334.28 km) |
| Boulogne-Billancourt to Kielczow | 681.12 mi (1,096.15 km) |
| Boulogne-Billancourt to Klobuck | 755.32 mi (1,215.57 km) |
| Boulogne-Billancourt to Klodzko | 653.10 mi (1,051.07 km) |
| Boulogne-Billancourt to Kluczbork | 724.65 mi (1,166.22 km) |
