Back to CalculatorRoute ID: UIO-STL
Flight Distance from Quito (UIO) to St Louis (STL)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
UIOSEQM
Quito, Ecuador
Mariscal Sucre International Airport
Great Circle Path
4,493 km2,792 miles • 2,426 NM
Destination Airport
KSTLSTL
St Louis, United States
St. Louis Lambert International Airport
Direct Distance
4,493 km
2,792 Statute Miles
2,426 Nautical Miles
Commercial Flight
5h 47m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
404 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
345° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
5h 47m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
5h 23m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
9h 8m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🌐 EC→🇺🇸 United States
This information is provided for general guidance only and does not replace official verification with an embassy, consulate, or the IATA Travel Centre before you travel.
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Flight Path & Geodetic Arc Map
Great Circle Flight Arc Path
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Departure Airport Specs
Mariscal Sucre International Airport (UIO)
- City / Country: Quito, Ecuador
- ICAO Code: SEQM
- Coordinates: -0.1254°, -78.3543°
- Timezone: America/Guayaquil
- Elevation: 7841 ft
Arrival Airport Specs
St. Louis Lambert International Airport (STL)
- City / Country: St Louis, United States
- ICAO Code: KSTL
- Coordinates: 38.7487°, -90.3700°
- Timezone: America/Chicago
- Elevation: 618 ft
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