Definition of bush mile in English:

bush mile

noun

Australian
  • An approximate distance in the outback, usually taking longer to walk than an actual mile due to the rough nature of the terrain.

    ‘before her lay a walk of three bush miles to her mother's home’
    ‘that ten minutes, like the proverbial bush mile, extended into an hour’
    • ‘It was not far to the railroad; a half-mile of hilly country — perhaps a bush mile.’
    • ‘It would be a journey of twenty to thirty bush miles.’
    • ‘I've never been able to work out how long a bush mile is.’
    • ‘It lay no more than one bush-mile inland from the shoreline town.’
    • ‘Bush miles seem to vary according to the mood of the fellow you meet.’