Airport Comparison
| IAD | MTH | |
|---|---|---|
| Airport Name | Washington Dulles International Airport | The Florida Keys Marathon International Airport |
| IATA Code | IAD | MTH |
| ICAO Code | KIAD | KMTH |
| City | Washington | Marathon |
| Country | United States | United States |
| Timezone | America/New_York | America/New_York |
| Elevation | 312 ft | 5 ft |
| Coordinates | 38.900000, -77.500000 | 24.730000, -81.050000 |
Washington (IAD) to Marathon (MTH) Flight Distance
The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to The Florida Keys Marathon International Airport (MTH) in Marathon, United States is 1,611 kilometers (1,001 miles / 870 nautical miles). The estimated flight time for this route is approximately 3h, flying south southwest at a heading of 193°.
This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.
This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation.
Time zone information: When it's 13:28 in Washington, it's 13:28 in Marathon.
The return flight from Marathon (MTH) to Washington (IAD) follows a heading of 11° (north). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.
For more information about these airports, visit the Washington Dulles International Airport (IAD) and The Florida Keys Marathon International Airport (MTH) detail pages, or use our flight duration calculator to compare other routes.