Originally Posted by AdultKing

Shortest routes to a capital city in order.

24 h (1,728.4 km) via National Highway 95 to Perth

34 h (2,779.4 km) via National Highway 1 to Darwin

47 h (3,829.1 km) via National Highway A1 to Adelaide

55 h (4,550.7 km) via National Highway A1 to Melbourne

60 h (5,066.5 km) via National Highway A1 to Sydney

65 h (5,569.9 km) via National Highway 1 and A2 to Brisbane