| Difficult Run to Kromeriz | 4,440.54 mi (7,146.35 km) |
| Difficult Run to Krupka | 4,256.80 mi (6,850.65 km) |
| Difficult Run to Kurim | 4,407.04 mi (7,092.45 km) |
| Difficult Run to Kutna Hora | 4,335.72 mi (6,977.66 km) |
| Difficult Run to Kyjov | 4,440.15 mi (7,145.73 km) |
| Difficult Run to Lanskroun | 4,388.99 mi (7,063.40 km) |
| Difficult Run to Liberec | 4,300.71 mi (6,921.32 km) |
| Difficult Run to Lisen | 4,416.23 mi (7,107.23 km) |
| Difficult Run to Litomerice | 4,272.30 mi (6,875.60 km) |
| Difficult Run to Litomysl | 4,378.73 mi (7,046.88 km) |
| Difficult Run to Litovel | 4,414.21 mi (7,103.98 km) |
| Difficult Run to Litvinov | 4,249.91 mi (6,839.57 km) |
| Difficult Run to Louny | 4,264.99 mi (6,863.83 km) |
| Difficult Run to Lovosice | 4,269.75 mi (6,871.50 km) |
| Difficult Run to Lysa nad Labem | 4,310.37 mi (6,936.86 km) |
