| Prospect Heights to Kecskemet | 4,861.02 mi (7,823.05 km) |
| Prospect Heights to Kerepestarcsa | 4,816.79 mi (7,751.87 km) |
| Prospect Heights to Keszthely | 4,779.63 mi (7,692.07 km) |
| Prospect Heights to Kiskoros | 4,859.59 mi (7,820.76 km) |
| Prospect Heights to Kiskunfelegyhaza | 4,875.88 mi (7,846.98 km) |
| Prospect Heights to Kiskunhalas | 4,875.49 mi (7,846.35 km) |
| Prospect Heights to Kiskunlachaza | 4,823.80 mi (7,763.15 km) |
| Prospect Heights to Kiskunmajsa | 4,881.60 mi (7,856.18 km) |
| Prospect Heights to Kisujszallas | 4,884.67 mi (7,861.12 km) |
| Prospect Heights to Kisvarda | 4,883.73 mi (7,859.60 km) |
| Prospect Heights to Komarom | 4,767.86 mi (7,673.13 km) |
| Prospect Heights to Komlo | 4,842.24 mi (7,792.83 km) |
| Prospect Heights to Kormend | 4,745.65 mi (7,637.38 km) |
| Prospect Heights to Koszeg | 4,727.41 mi (7,608.03 km) |
| Prospect Heights to Lajosmizse | 4,850.86 mi (7,806.71 km) |
