| Grass Valley to Koscian | 5,635.35 mi (9,069.22 km) |
| Grass Valley to Koscielisko | 5,873.86 mi (9,453.06 km) |
| Grass Valley to Koscierzyna | 5,544.28 mi (8,922.65 km) |
| Grass Valley to Kostrzyn | 5,629.75 mi (9,060.20 km) |
| Grass Valley to Kostrzyn nad Odra | 5,560.91 mi (8,949.42 km) |
| Grass Valley to Koszalin | 5,501.14 mi (8,853.23 km) |
| Grass Valley to Kowary | 5,692.33 mi (9,160.91 km) |
| Grass Valley to Kozienice | 5,770.29 mi (9,286.39 km) |
| Grass Valley to Kozuchow | 5,631.02 mi (9,062.25 km) |
| Grass Valley to Kozy | 5,822.58 mi (9,370.54 km) |
| Grass Valley to Krakow | 5,828.18 mi (9,379.54 km) |
| Grass Valley to Krapkowice | 5,760.36 mi (9,270.40 km) |
| Grass Valley to Krasnik | 5,824.15 mi (9,373.07 km) |
| Grass Valley to Krasnystaw | 5,839.43 mi (9,397.66 km) |
| Grass Valley to Krosno | 5,889.84 mi (9,478.78 km) |
