Distance From Grieve Airport to Mariscal Sucre International Airport

The distance from Grieve Airport () to Mariscal Sucre International Airport (UIO) is 3455 miles or 5561 kilometers or 3001 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Buffalo ( United States ) to Quito ( Ecuador )?

A one-way nonstop (direct) flight between Buffalo and Quito takes around 7 hours 56 minutes.

Estimated flight time from Grieve Airport, Buffalo, United States to Mariscal Sucre International Airport, Quito, Ecuador is 7 hours 56 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - UIO

Kilometers		5561 km
Statute Miles		3455 miles
Nautical Miles		3001 nm
Avg. Time of Flight		7 hours 56 minutes

Grieve Airport to Mariscal Sucre International Airport Flight Route Map - to UIO Flight Path

Location of Grieve Airport & Mariscal Sucre International Airport is given below.
Click the map to view Buffalo to Quito nonstop flight path and travel direction.

Click to see flight route on Google Map between Buffalo, United States and Quito, Ecuador. .

Nonstop flight route between Buffalo, United States and Quito, Ecuador.

Time Difference Between the Airports • - UIO

Time difference between Buffalo (United States) and Quito (Ecuador) is 0 Hours.

Location	Local Time
Buffalo (United States)	2026-04-30, 13:52:35 CDT
Quito (Ecuador)	2026-04-30, 13:52:35 -05

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Grieve Airport ( / ND59) Buffalo, United States

Destination

Mariscal Sucre International Airport (UIO / SEQM) Quito, Ecuador