The calculated distance (air line) between Eringate-Centennial-West Deane and Richmond Hill is approximately 16 miles respectively 26 kilometers.
By car or train, the actual journey to Richmond Hill is certainly longer, as only the direct route (as the crow flies) between Eringate-Centennial-West Deane and Richmond Hill has been calculated here.
Air line (approximately)
26 kilometers
14 nautical miles