The calculated distance (air line) between Dietlikon / Dietlikon (Dorf) and Thun is approximately 66 miles respectively 106 kilometers.
By car or train, the actual journey to Thun is certainly longer, as only the direct route (as the crow flies) between Dietlikon / Dietlikon (Dorf) and Thun has been calculated here.
Air line (approximately)
106 kilometers
57 nautical miles