Distance between Grenoble and Niort is 496.32 km.
This distance is equal to 308.4 miles, and 267.81 nautical miles.
The distance line on map shows distance from Grenoble to Niort between two cities.
If you travel with an airplane (which has average speed of 560 miles) between Grenoble to Niort,
It takes 0.55 hours to arrive.