The calculated distance (air line) between Brumunddal and Lillestrøm is approximately 64 miles respectively 103 kilometers.
By car or train, the actual journey to Lillestrøm is certainly longer, as only the direct route (as the crow flies) between Brumunddal and Lillestrøm has been calculated here.
Air line (approximately)
103 kilometers
56 nautical miles