Direct (nonstop) flights from Rome to Denver
1 airline flys nonstop from Fiumicino (FCO) to Denver International (DEN). It's 5,564 miles (8,954 km), about 11h 33m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 30, 2026
Airlines with non-stop flights
UA
United Airlines
Alternative Routes
Other ways to fly from Rome to Denver with one stop · direct emits 851 kg CO₂ per passenger
Looking for the return flight?
DEN → FCO: Flights from Denver to RomeOther direct flights from Rome
Direct flights from Denver (DEN)
Frequently Asked Questions
How long is the direct flight from Rome to Denver?
A nonstop flight from Rome (FCO) to Denver (DEN) takes approximately 11 hours and 33 minutes. The distance is 5,564 miles (8,954 km).
Which airlines fly nonstop from Rome to Denver?
Just United Airlines.
Is there a nonstop flight from Rome to Denver?
Yes. 1 airline: United Airlines.
How far is Rome from Denver?
The flight distance from Rome to Denver is 5,564 miles (8,954 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Tokyo.
What is the time difference between Rome and Denver?
Denver is 8 hours behind Rome. (Europe/Rome vs America/Denver.)
Will I experience jet lag flying from Rome to Denver?
Probably — 8-hour time difference means significant jet lag. Expect about 1 day of adjustment per hour of shift. Flying westward is generally easier to adjust to.
What type of aircraft flies from Rome to Denver?
At 11h 33m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.
Do I need a visa to travel from Italy to USA?
Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Rome to Denver?
Roughly 851 kg CO2 per passenger one-way. That's about the same as driving 4,255 km.
Is the return flight from Denver to Rome also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Rome to Denver?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.
How early should I arrive at Fiumicino for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.