The calculated distance (air line) between Al Fallūjah and Jamjamāl is approximately 162 miles respectively 261 kilometers.
By car or train, the actual journey to Jamjamāl is certainly longer, as only the direct route (as the crow flies) between Al Fallūjah and Jamjamāl has been calculated here.
Air line (approximately)
261 kilometers
141 nautical miles