| Naperville to Juprelle | 4,214.23 mi (6,782.15 km) |
| Naperville to Jurbise | 4,160.82 mi (6,696.20 km) |
| Naperville to Kalmthout | 4,150.75 mi (6,679.99 km) |
| Naperville to Kampenhout | 4,169.49 mi (6,710.14 km) |
| Naperville to Kapelle-op-den-Bos | 4,159.99 mi (6,694.85 km) |
| Naperville to Kapellen | 4,151.86 mi (6,681.78 km) |
| Naperville to Kasterlee | 4,173.39 mi (6,716.43 km) |
| Naperville to Keerbergen | 4,170.33 mi (6,711.50 km) |
| Naperville to Kinrooi | 4,206.40 mi (6,769.55 km) |
| Naperville to Knokke-Heist | 4,108.29 mi (6,611.66 km) |
| Naperville to Koekelare | 4,105.46 mi (6,607.10 km) |
| Naperville to Koekelberg | 4,164.05 mi (6,701.39 km) |
| Naperville to Koksijde | 4,092.70 mi (6,586.57 km) |
| Naperville to Kontich | 4,158.97 mi (6,693.21 km) |
| Naperville to Kortemark | 4,110.01 mi (6,614.42 km) |
