Distance from wollongong to new castle (from ocean in australia )?

Question

just the distance from wollongong to newcastle from the beach becasue i need to no how long a tsunami could be from their that could hit australia (this is not real its for a assignment)

Answer 1

Wollongong is 82 kilometres (51 mi) south of Sydney.

Newcastle is 162 kilometres (101 mi) NNE of Sydney.

Therefore, they are approximately 240 km (150 mi) apart.