And there are definitely five spaces on the sign-up board for the Banff buses. I'd bet this is what's happening:
Leg 1 - Sydney to Manila to Legazpi (11 down to 10)
Leg 2 - Legazpi to Baguio (10 down to 9)
Leg 3 - Baguio to Delhi (NEL)
Leg 4 - Delhi to Dubai (9 down to
Leg 5 - Dubai to Istanbul (8 down to 7)
Leg 6 - Istanbul to Gelibolu (NEL)
Leg 7 - Gelibolu to Paris (7 down to 6)
Leg 8 - Paris to Havana (NEL)
Leg 9 - Havana to Vancouver (6 down to 5)
Leg 10 - Vancouver to Banff (5 down to 4)
Leg 11 - Banff to
, likely Los Angeles or some other western US city (4 down to 3)
Leg 12 -
to Honolulu to
, likely Brisbane/Gold Coast area (finale)
Looks like we've still got two legs left.