Route would be similar to this (unfortunately, probably have to give SA a miss this time (sad, cos my father was born in Port Elizabeth))
Stage 1 USA
Leave London and fly to Canada. Will cross Canada via the Yellow head Highway and before easing off in the Banff and Jasper National Park in Alberta and British Columbia. After this, ride into Yukon Territory where the Top of the World Highway goes through Fairbanks into Alaska. Continuing west along the Glenn Highway to Anchorage.
Stage 2 USA (Alaska)
Re-routing east on the Glenn to Tok the trip turns south to ride nearly the full length of the Alaskan Highway. Descending through British Columbia to Vancouver and Seattle, there will be an overnight service stop in Olympia prior to stage 3.
Stage 3 USA & Canada
The route travels south along Highway 101 set against the Pacific Ocean before turning inland into Oregon, NE California and across the deserts of Nevada and Death Valley. After a deserved night off in Las Vegas the journey continues on through the Grand Canyon National Park, Marble Canyon, the Canyons of the Ancients and onto Durango along one of the finest road journeys in America, to end up in UFO country and Roswell before the third overnight service stop in El Paso.
Stage 4 Mexico
The route through Mexico will head towards Copper Canyon and cross the Sierra Madre Occidental before boarding the car ferry for the southern tip of Baja California. For the next three days the trip proceeds north through magnificent desert landscapes before reaching San Diego and a rest stop in Los Angeles. Bikes will be air freighted to Sydney where the second stage begins.
Stage 5 Australia
This leg around Australia will include 1000 mile trip across central Australia and the west coast towards Perth. .
Stage 6 Asia
Stage 6 takes the riders to South East Asia. After air freighting the bikes from Perth to Singapore the teams will head north through Malaysia and Thailand to Bangkok. Riders can sightsee in Bangkok and Chang Mai or again, teams can decide to ride east to Cambodia via the 9th century Buddhist temple Angkor Wat. The route will only provisionally head to Vietnam before returning across eastern Thailand.
Stage 7 Asia
After reaching Bangkok, riders will head 1500 miles south to Singapore where the bikes will be freighted to Madras as riders rest in Malaysia.
Stage 8 India
The next leg will take riders to Delhi. Teams can choose to fly on to Istanbul or head west to the Rajasthan Desert before entering Pakistan at Lahore to cross the Indus Valley and ride overland through Iran and Turkey, to finish in Istanbul over 6000 miles later.
Stage 9 Europe & back to the UK
Istanbul to London across Europe. The final 1800 mile run in.