Frankfurt (FRA) to Denver International (DEN). Served by United, Lufthansa.
A nonstop flight from Frankfurt to Denver takes approximately 10h.
United and Lufthansa fly from FRA to DEN. 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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