Originally Posted by
petez
I'd be grateful if anyone can see any issues with this routing:
OSL-xDOH-LHR-LAX-MIA-ORD-NRT-DEL-NRT-SIN-NRT-SYD-CNS-PER-LHR-OSL
Looks OK to me
A map from the Great Circle Mapper - Great Circle Mapper
A possible issue is your flights through Tokyo - are they all through NRT, none through HND?
You are using 15 segments, so you can fly CNS-PER via BNE/SYD/MEL/ADL
Why are you asking? Have you been told it is invalid?