The calculated distance (air line) between Saint-Genis-les-Ollières and Besançon is approximately 120 miles respectively 193 kilometers.
By car or train, the actual journey to Besançon is certainly longer, as only the direct route (as the crow flies) between Saint-Genis-les-Ollières and Besançon has been calculated here.
Air line (approximately)
193 kilometers
104 nautical miles