The calculated distance (air line) between Pekanbaru and Bukit Rambai is approximately 131 miles respectively 211 kilometers.
By car or train, the actual journey to Bukit Rambai is certainly longer, as only the direct route (as the crow flies) between Pekanbaru and Bukit Rambai has been calculated here.
Air line (approximately)
211 kilometers
114 nautical miles