So let's have a try at some routes that could support 2-4 returns per week
Sunny Coast to Hobart, Launceston or Perth
Sydney or Melbourne to Mackay, Rockhampton or Bundy
Gold Coast to Darwin
Coffs, Port Maq, Ballina to Adelaide
Hervey Bay to Melbourne
Broome, Port Headland, Kalgoorlie, Brusselton to Sydney or Melbourne
There's 25
Starting to get thin after this or routes already served