Distance From Union Island International Airport to Sacramento International Airport, UNI - SMF Distance

The distance from Union Island International Airport (UNI) to Sacramento International Airport (SMF) is 4076 miles or 6560 kilometers or 3540 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 Union Island ( Saint Vincent and the Grenadines ) to Sacramento ( United States )?

A one-way nonstop (direct) flight between Union Island and Sacramento takes around 9 hours 22 minutes.

Estimated flight time from Union Island International Airport, Union Island, Saint Vincent and the Grenadines to Sacramento International Airport, Sacramento, United States is 9 hours 22 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 • UNI - SMF

Kilometers		6560 km
Statute Miles		4076 miles
Nautical Miles		3540 nm
Avg. Time of Flight		9 hours 22 minutes

Union Island International Airport to Sacramento International Airport Flight Route Map - UNI to SMF Flight Path

Location of Union Island International Airport & Sacramento International Airport is given below.
Click the map to view Union Island to Sacramento nonstop flight path and travel direction.

Click to see flight route on Google Map between Union Island, Saint Vincent and the Grenadines and Sacramento, United States. .

Nonstop flight route between Union Island, Saint Vincent and the Grenadines and Sacramento, United States.

Time Difference Between the Airports • UNI - SMF

Time difference between Union Island (Saint Vincent and the Grenadines) and Sacramento (United States) is 4 Hours.
Sacramento time is 4 Hours behind Union Island.

Location	Local Time
Union Island (Saint Vincent and the Grenadines)	2025-12-15, 15:57:50 AST
Sacramento (United States)	2025-12-15, 11:57:50 PST

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

Union Island International Airport (UNI / TVSU) Union Island, Saint Vincent and the Grenadines

Destination

Sacramento International Airport (SMF / KSMF) Sacramento, United States