Distance From Mellomar Airport to King Khaled International Airport

The distance from Mellomar Airport () to King Khaled International Airport (RUH) is 6718 miles or 10812 kilometers or 5834 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 Lower Marlboro ( United States ) to Riyadh ( Saudi Arabia )?

A one-way nonstop (direct) flight between Lower Marlboro and Riyadh takes around 15 hours 26 minutes.

Estimated flight time from Mellomar Airport, Lower Marlboro, United States to King Khaled International Airport, Riyadh, Saudi Arabia is 15 hours 26 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 • - RUH

Kilometers		10812 km
Statute Miles		6718 miles
Nautical Miles		5834 nm
Avg. Time of Flight		15 hours 26 minutes

Mellomar Airport to King Khaled International Airport Flight Route Map - to RUH Flight Path

Location of Mellomar Airport & King Khaled International Airport is given below.
Click the map to view Lower Marlboro to Riyadh nonstop flight path and travel direction.

Click to see flight route on Google Map between Lower Marlboro, United States and Riyadh, Saudi Arabia. .

Nonstop flight route between Lower Marlboro, United States and Riyadh, Saudi Arabia.

Time Difference Between the Airports • - RUH

Time difference between Lower Marlboro (United States) and Riyadh (Saudi Arabia) is 7 Hours.
Riyadh time is 7 Hours ahead of Lower Marlboro.

Location	Local Time
Lower Marlboro (United States)	2026-08-02, 20:09:45 EDT
Riyadh (Saudi Arabia)	2026-08-03, 03:09:45 +03

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

Mellomar Airport ( / ) Lower Marlboro, United States

Destination

King Khaled International Airport (RUH / OERK) Riyadh, Saudi Arabia