The calculated distance (air line) between An Nuşayrāt and Al Bīrah is approximately 58 miles respectively 93 kilometers.
By car or train, the actual journey to Al Bīrah is certainly longer, as only the direct route (as the crow flies) between An Nuşayrāt and Al Bīrah has been calculated here.
Air line (approximately)
93 kilometers
50 nautical miles