The calculated distance (air line) between Kirkwood and Graaff-Reinet is approximately 95 miles respectively 153 kilometers.
By car or train, the actual journey to Graaff-Reinet is certainly longer, as only the direct route (as the crow flies) between Kirkwood and Graaff-Reinet has been calculated here.
Air line (approximately)
153 kilometers
83 nautical miles