The calculated distance (air line) between Al Hārithah and Omīdīyeh is approximately 116 miles respectively 187 kilometers.
By car or train, the actual journey to Omīdīyeh is certainly longer, as only the direct route (as the crow flies) between Al Hārithah and Omīdīyeh has been calculated here.
Air line (approximately)
187 kilometers
101 nautical miles