| Mount Prospect to Kluczbork | 4,630.24 mi (7,451.65 km) |
| Mount Prospect to Knurow | 4,679.72 mi (7,531.28 km) |
| Mount Prospect to Kobylka | 4,668.43 mi (7,513.10 km) |
| Mount Prospect to Kokoszki | 4,493.46 mi (7,231.53 km) |
| Mount Prospect to Kolbuszowa | 4,781.55 mi (7,695.17 km) |
| Mount Prospect to Kolno | 4,643.08 mi (7,472.32 km) |
| Mount Prospect to Kolo | 4,591.02 mi (7,388.54 km) |
| Mount Prospect to Kolobrzeg | 4,407.38 mi (7,092.99 km) |
| Mount Prospect to Koluszki | 4,649.11 mi (7,482.02 km) |
| Mount Prospect to Komorniki | 4,524.11 mi (7,280.85 km) |
| Mount Prospect to Konin | 4,578.23 mi (7,367.95 km) |
| Mount Prospect to Konskie | 4,693.92 mi (7,554.13 km) |
| Mount Prospect to Konstancin-Jeziorna | 4,677.00 mi (7,526.91 km) |
| Mount Prospect to Konstantynow Lodzki | 4,633.78 mi (7,457.34 km) |
| Mount Prospect to Koronowo | 4,519.96 mi (7,274.17 km) |
