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