Distance From Costello Island Inc Airport to Nouakchott–Oumtounsy International Airport

The distance from Costello Island Inc Airport () to Nouakchott–Oumtounsy International Airport (NKC) is 5117 miles or 8234 kilometers or 4443 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 Graford ( United States ) to Nouakchott ( Mauritania )?

A one-way nonstop (direct) flight between Graford and Nouakchott takes around 11 hours 45 minutes.

Estimated flight time from Costello Island Inc Airport, Graford, United States to Nouakchott–Oumtounsy International Airport, Nouakchott, Mauritania is 11 hours 45 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 • - NKC

Kilometers		8234 km
Statute Miles		5117 miles
Nautical Miles		4443 nm
Avg. Time of Flight		11 hours 45 minutes

Costello Island Inc Airport to Nouakchott–Oumtounsy International Airport Flight Route Map - to NKC Flight Path

Location of Costello Island Inc Airport & Nouakchott–Oumtounsy International Airport is given below.
Click the map to view Graford to Nouakchott nonstop flight path and travel direction.

Click to see flight route on Google Map between Graford, United States and Nouakchott, Mauritania. .

Nonstop flight route between Graford, United States and Nouakchott, Mauritania.

Time Difference Between the Airports • - NKC

Time difference between Graford (United States) and Nouakchott (Mauritania) is 6 Hours.
Nouakchott time is 6 Hours ahead of Graford.

Location	Local Time
Graford (United States)	2026-05-04, 22:53:59 MDT
Nouakchott (Mauritania)	2026-05-05, 04:53:59 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

Costello Island Inc Airport ( / 4TA3) Graford, United States

Destination

Nouakchott–Oumtounsy International Airport (NKC / GQNO) Nouakchott, Mauritania