The calculated distance (air line) between Ross-Bétio and Méri Mbaké is approximately 106 miles respectively 171 kilometers.
By car or train, the actual journey to Méri Mbaké is certainly longer, as only the direct route (as the crow flies) between Ross-Bétio and Méri Mbaké has been calculated here.
Air line (approximately)
171 kilometers
92 nautical miles