The calculated distance (air line) between Kampong Cham and Gia Nghĩa is approximately 151 miles respectively 242 kilometers.
By car or train, the actual journey to Gia Nghĩa is certainly longer, as only the direct route (as the crow flies) between Kampong Cham and Gia Nghĩa has been calculated here.
Air line (approximately)
242 kilometers
131 nautical miles