Originally Posted by
Cashew1977
Quick check... these routes dont work for a DONE4 do they?
NRT-HEL-RVN-HEL-FRA-LHR-PER-MEL-SYD-TBU-SYD-LAX-DFW-NRT
NRT-CDG-MAD-MUC-LHR-JNB-SYD-AKL-MEL-PPP-MEL-LAX-MIA-CUN-DFW-ICN-NRT
Neither itinerary is a valid RTW
They violate these two rules:
Rule 4
(a) Travel must be via the Atlantic and Pacific Oceans and only one crossing of each ocean is permitted.
(b) Travel must be in a continuous forward direction between TC1 - TC2 - TC3. Backtracking within a continent is permitted except as follows: