Rome (FCO) to Dulles (IAD)

4,494mi
7,232 km3,905 nm

Flight time

≈ 9h 47m

Bearing

301° NW

Rome (FCO) to Dulles (IAD) is 4,494 miles (7,232 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: FCO → IADFCOIAD

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What actually flies FCO–IAD

Filed traffic data

In July 2026, United Airlines was the only carrier flying nonstop FCO–IAD; the Boeing 777-200 was the most common aircraft at 50% of departures; flights ran 76% full.

Departures

119

July 2026

Seats

30,215

both directions

Passengers

23,060

both directions

Load factor

76.3%

RPM ÷ ASM

Who flies FCO–IAD?

United Airlines was the only carrier to fly nonstop FCO–IAD in July 2026 (119 departures).

  • UA

    United Airlines

    119 departures · 30,215 seats

    76.3%

    Load

What plane flies FCO–IAD?

In July 2026, the Boeing 777-200 flew 50% of FCO–IAD departures — more than any other aircraft type.

How has FCO–IAD traffic changed?

Nonstop FCO–IAD departures fell from 172 in August 2025 to 119 in July 2026.

Monthly nonstop FCO–IAD traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • August 2025

    172 departures · 36,121 passengers

    78.2%

    Load

  • September 2025

    164 departures · 34,657 passengers

    80.0%

    Load

  • October 2025

    124 departures · 26,626 passengers

    88.1%

    Load

  • November 2025

    58 departures · 11,867 passengers

    88.8%

    Load

  • December 2025

    62 departures · 11,903 passengers

    87.7%

    Load

  • January 2026

    37 departures · 6,758 passengers

    90.0%

    Load

  • February 2026

    38 departures · 6,927 passengers

    81.8%

    Load

  • March 2026

    80 departures · 15,776 passengers

    80.5%

    Load

  • April 2026

    78 departures · 14,681 passengers

    75.5%

    Load

  • May 2026

    111 departures · 23,457 passengers

    79.9%

    Load

  • June 2026

    163 departures · 34,228 passengers

    82.9%

    Load

  • July 2026

    119 departures · 23,060 passengers

    76.3%

    Load

By direction

Each direction is filed separately — they rarely match.

IAD → FCO

73.7% full

60 departures · 11,204 passengers

FCO → IAD

79.0% full

59 departures · 11,856 passengers

Nonstop FCO–IAD traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).

The airports

FCO

Rome

IT

Rome–Fiumicino Leonardo da Vinci International Airport

Coordinates

41.80°N, 12.25°E

Hemisphere

N · E

IAD

Dulles

US

Washington Dulles International Airport

Coordinates

38.94°N, 77.46°W

Hemisphere

N · W

Frequently asked

How far is Rome (FCO) from Dulles (IAD)?

FCO to IAD is 4,494 miles (7,232 km / 3,905 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from FCO to IAD?

A nonstop covers the 4,494-mile great-circle distance in roughly 9h 47m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies FCO–IAD?

In July 2026, the Boeing 777-200 flew the largest share of departures (50.4%), followed by the Boeing 767-400ER (48.7%).

What mileage do I earn flying FCO–IAD?

Distance-based programs credit off the 4,494-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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