The calculated distance (air line) between Duayaw-Nkwanta and Amanfrom is approximately 163 miles respectively 262 kilometers.
By car or train, the actual journey to Amanfrom is certainly longer, as only the direct route (as the crow flies) between Duayaw-Nkwanta and Amanfrom has been calculated here.
Air line (approximately)
262 kilometers
141 nautical miles