The calculated distance (air line) between Imam Qasim and Al Fallūjah is approximately 89 miles respectively 144 kilometers.
By car or train, the actual journey to Al Fallūjah is certainly longer, as only the direct route (as the crow flies) between Imam Qasim and Al Fallūjah has been calculated here.
Air line (approximately)
144 kilometers
78 nautical miles