| Willowbrook to Kluczbork | 6,000.78 mi (9,657.32 km) |
| Willowbrook to Knurow | 6,055.96 mi (9,746.13 km) |
| Willowbrook to Kobylka | 5,994.49 mi (9,647.19 km) |
| Willowbrook to Kokoszki | 5,816.34 mi (9,360.49 km) |
| Willowbrook to Kolbuszowa | 6,129.06 mi (9,863.77 km) |
| Willowbrook to Kolno | 5,948.10 mi (9,572.54 km) |
| Willowbrook to Kolo | 5,941.95 mi (9,562.64 km) |
| Willowbrook to Kolobrzeg | 5,757.18 mi (9,265.29 km) |
| Willowbrook to Koluszki | 5,995.58 mi (9,648.95 km) |
| Willowbrook to Komorniki | 5,890.81 mi (9,480.35 km) |
| Willowbrook to Konin | 5,932.14 mi (9,546.86 km) |
| Willowbrook to Konskie | 6,041.92 mi (9,723.52 km) |
| Willowbrook to Konstancin-Jeziorna | 6,007.11 mi (9,667.50 km) |
| Willowbrook to Konstantynow Lodzki | 5,984.43 mi (9,631.01 km) |
| Willowbrook to Koronowo | 5,861.94 mi (9,433.88 km) |
