| Naperville to Kromeriz | 4,699.66 mi (7,563.38 km) |
| Naperville to Krupka | 4,516.98 mi (7,269.38 km) |
| Naperville to Kurim | 4,669.48 mi (7,514.81 km) |
| Naperville to Kutna Hora | 4,597.29 mi (7,398.62 km) |
| Naperville to Kyjov | 4,702.78 mi (7,568.39 km) |
| Naperville to Lanskroun | 4,645.84 mi (7,476.76 km) |
| Naperville to Liberec | 4,555.81 mi (7,331.86 km) |
| Naperville to Lisen | 4,678.86 mi (7,529.89 km) |
| Naperville to Litomerice | 4,532.84 mi (7,294.91 km) |
| Naperville to Litomysl | 4,637.07 mi (7,462.64 km) |
| Naperville to Litovel | 4,671.11 mi (7,517.43 km) |
| Naperville to Litvinov | 4,511.73 mi (7,260.93 km) |
| Naperville to Louny | 4,528.32 mi (7,287.63 km) |
| Naperville to Lovosice | 4,530.76 mi (7,291.56 km) |
| Naperville to Lysa nad Labem | 4,571.32 mi (7,356.83 km) |
