There are 411.84 km (255.90 miles) from Osborne to Helensburgh in northeast direction and 511.77 km (318 miles) by car, following the M31 route.
Osborne and Helensburgh are 5 hours 11 mins far apart, if you drive non-stop .
This is the fastest route from Osborne, NSW to Helensburgh, NSW.
Osborne, NSW and Helensburgh, NSW are in the same time zone (AEST). Current time in both locations is 7:58 pm.
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