According to Bangladesh Railway, the distance from Dhaka to Chuadanga by rail is 398 km. On the other hand, according to Bangladesh Roads and Highways Department, the road distance between Dhaka and Chuadanga is 267 kilometers.
We think that this information about the distance from Dhaka to Chuadanga is correct. Other than that, the calculations shown by distance calculators available on the internet are not accurate. Because they rely solely on GPS to determine the distance.
It takes about 6 hours by train to reach Chuadanga from Dhaka.
If you want to know the distance from the capital Dhaka to all other district cities of Bangladesh, by rail and road, keep an eye here: Dhaka to All District Distance.