Flew BEG:FRA:DTW:DEN

1. Flew Belgrade (BEG) to Frankfurt (FRA). 1,053 km on United Airlines in 1h, 55m.
2. Flew Frankfurt (FRA) to Detroit (DTW). 6,677 km on United Airlines in 8h, 45m.
3. Flew Detroit (DTW) to Denver (DEN). 1,801 km on United Airlines in 3h, 06m.