The calculated distance (air line) between Sebastopol and Plaine des Papayes is approximately 17 miles respectively 28 kilometers.
By car or train, the actual journey to Plaine des Papayes is certainly longer, as only the direct route (as the crow flies) between Sebastopol and Plaine des Papayes has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles