Distance From Montreal / St-Lazare Airport to Roberts International Airport

The distance from Montreal / St-Lazare Airport () to Roberts International Airport (ROB) is 4651 miles or 7484 kilometers or 4039 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 Montréal ( Canada ) to Monrovia ( Liberia )?

A one-way nonstop (direct) flight between Montréal and Monrovia takes around 10 hours 41 minutes.

Estimated flight time from Montreal / St-Lazare Airport, Montréal, Canada to Roberts International Airport, Monrovia, Liberia is 10 hours 41 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 • - ROB

Kilometers		7484 km
Statute Miles		4651 miles
Nautical Miles		4039 nm
Avg. Time of Flight		10 hours 41 minutes

Montreal / St-Lazare Airport to Roberts International Airport Flight Route Map - to ROB Flight Path

Location of Montreal / St-Lazare Airport & Roberts International Airport is given below.
Click the map to view Montréal to Monrovia nonstop flight path and travel direction.

Click to see flight route on Google Map between Montréal, Canada and Monrovia, Liberia. .

Nonstop flight route between Montréal, Canada and Monrovia, Liberia.

Time Difference Between the Airports • - ROB

Time difference between Montréal (Canada) and Monrovia (Liberia) is 5 Hours.
Monrovia time is 5 Hours ahead of Montréal.

Location	Local Time
Montréal (Canada)	2026-02-25, 02:46:34 EST
Monrovia (Liberia)	2026-02-25, 07:46:34 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

Montreal / St-Lazare Airport ( / CST3) Montréal, Canada

Destination

Roberts International Airport (ROB / GLRB) Monrovia, Liberia