| Naperville to Kamen | 4,260.42 mi (6,856.48 km) |
| Naperville to Kamenz | 4,501.46 mi (7,244.40 km) |
| Naperville to Kamp-Lintfort | 4,222.63 mi (6,795.67 km) |
| Naperville to Kandel | 4,375.10 mi (7,041.05 km) |
| Naperville to Kappeln | 4,225.64 mi (6,800.51 km) |
| Naperville to Karben | 4,352.00 mi (7,003.86 km) |
| Naperville to Karlsdorf-Neuthard | 4,385.94 mi (7,058.49 km) |
| Naperville to Karlsfeld | 4,531.56 mi (7,292.84 km) |
| Naperville to Karlsruhe | 4,385.62 mi (7,057.98 km) |
| Naperville to Kassel | 4,336.91 mi (6,979.59 km) |
| Naperville to Kaufbeuren | 4,513.65 mi (7,264.02 km) |
| Naperville to Kaufering | 4,515.21 mi (7,266.53 km) |
| Naperville to Kaufungen | 4,342.58 mi (6,988.71 km) |
| Naperville to Kehl | 4,380.55 mi (7,049.81 km) |
| Naperville to Kelheim | 4,517.84 mi (7,270.76 km) |
