The calculated distance (air line) between Dijon and Aulnay-sous-Bois is approximately 162 miles respectively 260 kilometers.
By car or train, the actual journey to Aulnay-sous-Bois is certainly longer, as only the direct route (as the crow flies) between Dijon and Aulnay-sous-Bois has been calculated here.
Air line (approximately)
260 kilometers
140 nautical miles