The calculated distance (air line) between Pekanbaru and Sungai Penuh is approximately 178 miles respectively 286 kilometers.
By car or train, the actual journey to Sungai Penuh is certainly longer, as only the direct route (as the crow flies) between Pekanbaru and Sungai Penuh has been calculated here.
Air line (approximately)
286 kilometers
154 nautical miles