| Boulogne-sur-Mer to Kromeriz | 706.10 mi (1,136.35 km) |
| Boulogne-sur-Mer to Krupka | 535.14 mi (861.23 km) |
| Boulogne-sur-Mer to Kurim | 668.45 mi (1,075.76 km) |
| Boulogne-sur-Mer to Kutna Hora | 603.65 mi (971.48 km) |
| Boulogne-sur-Mer to Kyjov | 699.38 mi (1,125.54 km) |
| Boulogne-sur-Mer to Lanskroun | 662.87 mi (1,066.79 km) |
| Boulogne-sur-Mer to Liberec | 587.30 mi (945.17 km) |
| Boulogne-sur-Mer to Lisen | 676.76 mi (1,089.15 km) |
| Boulogne-sur-Mer to Litomerice | 548.14 mi (882.15 km) |
| Boulogne-sur-Mer to Litomysl | 650.21 mi (1,046.41 km) |
| Boulogne-sur-Mer to Litovel | 686.01 mi (1,104.03 km) |
| Boulogne-sur-Mer to Litvinov | 524.90 mi (844.74 km) |
| Boulogne-sur-Mer to Louny | 534.92 mi (860.87 km) |
| Boulogne-sur-Mer to Lovosice | 544.72 mi (876.64 km) |
| Boulogne-sur-Mer to Lysa nad Labem | 581.72 mi (936.19 km) |
