| Naperville to Kothen | 4,405.77 mi (7,090.41 km) |
| Naperville to Kranenburg | 4,192.93 mi (6,747.86 km) |
| Naperville to Krefeld | 4,229.94 mi (6,807.44 km) |
| Naperville to Kressbronn am Bodensee | 4,486.40 mi (7,220.16 km) |
| Naperville to Kreuzau | 4,248.66 mi (6,837.56 km) |
| Naperville to Kreuztal | 4,294.73 mi (6,911.70 km) |
| Naperville to Kriftel | 4,346.63 mi (6,995.22 km) |
| Naperville to Kronach | 4,444.86 mi (7,153.32 km) |
| Naperville to Kronberg | 4,344.01 mi (6,991.01 km) |
| Naperville to Kronshagen | 4,243.01 mi (6,828.47 km) |
| Naperville to Krumbach | 4,489.16 mi (7,224.60 km) |
| Naperville to Kulmbach | 4,454.30 mi (7,168.50 km) |
| Naperville to Kummersbruck | 4,498.14 mi (7,239.05 km) |
| Naperville to Kunzell | 4,374.38 mi (7,039.88 km) |
| Naperville to Kunzelsau | 4,422.65 mi (7,117.57 km) |
