Originally Posted by
N830MH
I knows A321XLR can fly nonstop flight from O'Hare to Basel, Geneva, Helsinki, Stockholm, Pisa, Vienna.
According of Great Circle Mapper:
Great Circle Mapper
It is more complicated than simple distance -- one also need to take in account wind patterns and flight plan deviations to avoid headwinds
This was an issue with 752s had with some routes -- easy in the summer, not so easy in the winter due to the jetstream