Route Map-->
A map from the Great Circle Mapper - Great Circle Mapper
CDG-LHR is a waste of a sector in some ways. Small distance and can be done by train. But departures from LHR and from most UK airports incur a hefty ADP. Arrivals and transits do not
Looked at any Finnair AY routes to increase the mileage, being another OW EU airline? Has seasonable flight to Greece (from wikipedia). More flights may be reinstated by 2024
https://en.wikipedia.org/wiki/List_o...r_destinations
https://en.wikipedia.org/wiki/Athens...tional_Airport
Something like ATH-XXX-DOH would add mileage/sectors/SC's instead of the short ATH-DOH
Want to visit PER? DOH-PER-SYD? More mileage/sectors/SC's. Or DRW or AKL/NZ for a weekend?
Plenty of places in USA that could add a sector on AS or AA
In EU a flight to airport and then a train to where you want to go is a good option. *EU is small*