The calculated distance (air line) between Thaba-Tseka and Pietermaritzburg is approximately 107 miles respectively 173 kilometers.
By car or train, the actual journey to Pietermaritzburg is certainly longer, as only the direct route (as the crow flies) between Thaba-Tseka and Pietermaritzburg has been calculated here.
Air line (approximately)
173 kilometers
93 nautical miles