The calculated distance (air line) between Yakassé-Feyassé and Sinfra is approximately 173 miles respectively 278 kilometers.
By car or train, the actual journey to Sinfra is certainly longer, as only the direct route (as the crow flies) between Yakassé-Feyassé and Sinfra has been calculated here.
Air line (approximately)
278 kilometers
150 nautical miles