| Houston to Kluczbork | 5,553.45 mi (8,937.42 km) |
| Houston to Knurow | 5,601.38 mi (9,014.55 km) |
| Houston to Kobylka | 5,598.87 mi (9,010.51 km) |
| Houston to Kokoszki | 5,425.58 mi (8,731.62 km) |
| Houston to Kolbuszowa | 5,707.70 mi (9,185.66 km) |
| Houston to Kolno | 5,576.60 mi (8,974.67 km) |
| Houston to Kolo | 5,518.10 mi (8,880.53 km) |
| Houston to Kolobrzeg | 5,336.08 mi (8,587.59 km) |
| Houston to Koluszki | 5,576.49 mi (8,974.49 km) |
| Houston to Komorniki | 5,448.94 mi (8,769.23 km) |
| Houston to Konin | 5,504.90 mi (8,859.28 km) |
| Houston to Konskie | 5,620.68 mi (9,045.61 km) |
| Houston to Konstancin-Jeziorna | 5,606.78 mi (9,023.24 km) |
| Houston to Konstantynow Lodzki | 5,560.56 mi (8,948.86 km) |
| Houston to Koronowo | 5,449.05 mi (8,769.40 km) |
