The calculated distance (air line) between Majdal Shams and Bet Shemesh is approximately 116 miles respectively 186 kilometers.
By car or train, the actual journey to Bet Shemesh is certainly longer, as only the direct route (as the crow flies) between Majdal Shams and Bet Shemesh has been calculated here.
Air line (approximately)
186 kilometers
100 nautical miles