This is the itinerary for our trip (departing 20th January - arriving back in the UK 13th May):
Heathrow to Hong Kong, spending 4 days in Hong Kong
Hong Kong to Thailand - (Thailand to Singapore - overland via Malaysia) - 24th January to 14th February (22days).
Singapore to Perth, Western Australia - 15th February for one week
Perth to Cairns - 22nd February (Cairns to Sydney - overland) 5 weeks
Cairns to Christchurch - 30th March (Christchurch to Auckland - overland) 4 weeks
Auckland to Fiji - 30th April for one week
Fiji to LA - 8th May for 4 days.
LA to Heathrow - 12th May arriving in England at 12 noon on the 13th May!!