Denver International (DEN) to Frankfurt (FRA). Served by United, Lufthansa.
A nonstop flight from Denver to Frankfurt takes approximately 10h.
United and Lufthansa fly from DEN to FRA. That's 2 airlines serving this route.
The distance is 4,936 miles (7,942 km). with a nonstop flight time of about 10h. Airlines on this route include United, Lufthansa.
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