Distance From Houghton Lake State Airport to Roberts International Airport

The distance from Houghton Lake State Airport () to Roberts International Airport (ROB) is 5150 miles or 8287 kilometers or 4472 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.

---

How long does it take to travel from Houghton Lake Heights ( United States ) to Monrovia ( Liberia )?

A one-way nonstop (direct) flight between Houghton Lake Heights and Monrovia takes around 11 hours 50 minutes.

Estimated flight time from Houghton Lake State Airport, Houghton Lake Heights, United States to Roberts International Airport, Monrovia, Liberia is 11 hours 50 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		8287 km
Statute Miles		5150 miles
Nautical Miles		4472 nm
Avg. Time of Flight		11 hours 50 minutes

Houghton Lake State Airport to Roberts International Airport Flight Route Map - to ROB Flight Path

Location of Houghton Lake State Airport & Roberts International Airport is given below.
Click the map to view Houghton Lake Heights to Monrovia nonstop flight path and travel direction.

Click to see flight route on Google Map between Houghton Lake Heights, United States and Monrovia, Liberia. .

Nonstop flight route between Houghton Lake Heights, United States and Monrovia, Liberia.

Time Difference Between the Airports • - ROB

Time difference between Houghton Lake Heights (United States) and Monrovia (Liberia) is 6 Hours.
Monrovia time is 6 Hours ahead of Houghton Lake Heights.

Location	Local Time
Houghton Lake Heights (United States)	2025-12-14, 14:12:42 CST
Monrovia (Liberia)	2025-12-14, 20:12:42 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

Houghton Lake State Airport ( / 5Y2) Houghton Lake Heights, United States

Destination

Roberts International Airport (ROB / GLRB) Monrovia, Liberia