Distance From Union Island International Airport to Roberts International Airport, UNI - ROB Distance

The distance from Union Island International Airport (UNI) to Roberts International Airport (ROB) is 3502 miles or 5636 kilometers or 3042 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 Monrovia ( Liberia )?

A one-way nonstop (direct) flight between Union Island and Monrovia takes around 8 hours 3 minutes.

Estimated flight time from Union Island International Airport, Union Island, Saint Vincent and the Grenadines to Roberts International Airport, Monrovia, Liberia is 8 hours 3 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 - ROB

Kilometers		5636 km
Statute Miles		3502 miles
Nautical Miles		3042 nm
Avg. Time of Flight		8 hours 3 minutes

Union Island International Airport to Roberts International Airport Flight Route Map - UNI to ROB Flight Path

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

Click to see flight route on Google Map between Union Island, Saint Vincent and the Grenadines and Monrovia, Liberia. .

Nonstop flight route between Union Island, Saint Vincent and the Grenadines and Monrovia, Liberia.

Time Difference Between the Airports • UNI - ROB

Time difference between Union Island (Saint Vincent and the Grenadines) and Monrovia (Liberia) is 4 Hours.
Monrovia time is 4 Hours ahead of Union Island.

Location	Local Time
Union Island (Saint Vincent and the Grenadines)	2026-03-15, 04:54:43 AST
Monrovia (Liberia)	2026-03-15, 08:54:43 GMT

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

Roberts International Airport (ROB / GLRB) Monrovia, Liberia