| Fountain Valley to Kluczbork | 6,006.76 mi (9,666.95 km) |
| Fountain Valley to Knurow | 6,061.87 mi (9,755.64 km) |
| Fountain Valley to Kobylka | 6,001.30 mi (9,658.16 km) |
| Fountain Valley to Kokoszki | 5,823.08 mi (9,371.34 km) |
| Fountain Valley to Kolbuszowa | 6,135.58 mi (9,874.26 km) |
| Fountain Valley to Kolno | 5,955.26 mi (9,584.07 km) |
| Fountain Valley to Kolo | 5,948.26 mi (9,572.80 km) |
| Fountain Valley to Kolobrzeg | 5,763.38 mi (9,275.26 km) |
| Fountain Valley to Koluszki | 6,002.02 mi (9,659.31 km) |
| Fountain Valley to Komorniki | 5,896.79 mi (9,489.97 km) |
| Fountain Valley to Konin | 5,938.39 mi (9,556.92 km) |
| Fountain Valley to Konskie | 6,048.36 mi (9,733.89 km) |
| Fountain Valley to Konstancin-Jeziorna | 6,013.86 mi (9,678.37 km) |
| Fountain Valley to Konstantynow Lodzki | 5,990.78 mi (9,641.24 km) |
| Fountain Valley to Koronowo | 5,868.36 mi (9,444.22 km) |
