| Delaware to Kluczbork | 4,553.16 mi (7,327.60 km) |
| Delaware to Knurow | 4,600.44 mi (7,403.69 km) |
| Delaware to Kobylka | 4,602.70 mi (7,407.34 km) |
| Delaware to Kokoszki | 4,431.03 mi (7,131.06 km) |
| Delaware to Kolbuszowa | 4,708.67 mi (7,577.87 km) |
| Delaware to Kolno | 4,583.18 mi (7,375.91 km) |
| Delaware to Kolo | 4,519.77 mi (7,273.87 km) |
| Delaware to Kolobrzeg | 4,338.97 mi (6,982.90 km) |
| Delaware to Koluszki | 4,578.27 mi (7,368.01 km) |
| Delaware to Komorniki | 4,449.48 mi (7,160.75 km) |
| Delaware to Konin | 4,506.35 mi (7,252.26 km) |
| Delaware to Konskie | 4,622.06 mi (7,438.49 km) |
| Delaware to Konstancin-Jeziorna | 4,610.11 mi (7,419.25 km) |
| Delaware to Konstantynow Lodzki | 4,562.02 mi (7,341.86 km) |
| Delaware to Koronowo | 4,452.08 mi (7,164.93 km) |
