Fitbit | Nile milestone By kuzzzma | June 26, 2017 - 18:45 |April 29, 2022 Life, Fitness Fitbit Nile milestone – 6649 lifetime kilometres – the length of the longest river in the world. Related Tagged ачивки, Earth, Africa, health, distance, fitness, Fitbit, walking, Nile, rivers. Bookmark the permalink.