The calculated distance (air line) between Rivne and Kamianets-Podilskyi is approximately 135 miles respectively 218 kilometers.
By car or train, the actual journey to Kamianets-Podilskyi is certainly longer, as only the direct route (as the crow flies) between Rivne and Kamianets-Podilskyi has been calculated here.
Air line (approximately)
218 kilometers
117 nautical miles