JNB
Johannesburg
South Africa
14,125 km
8,777 miles
MMS
Marks
United States
Distance
14,125 km
8,777 mi / 7,627 nm
Est. Flight Time
18h
Ultra-long-haul route
Time Difference
-8h
Africa/Johannesburg
Heading
295°
west northwest

Airport Comparison

JNB MMS
Airport Name O. R. Tambo International Airport Selfs Airport
IATA Code JNB MMS
ICAO Code FAOR KMMS
City Johannesburg Marks
Country South Africa United States
Timezone Africa/Johannesburg America/Chicago
Elevation 5,558 ft 162 ft
Coordinates -26.130000, 28.240000 34.230000, -90.290000

Johannesburg (JNB) to Marks (MMS) Flight Distance

The flight distance from O. R. Tambo International Airport (JNB) in Johannesburg, South Africa to Selfs Airport (MMS) in Marks, United States is 14,125 kilometers (8,777 miles / 7,627 nautical miles). The estimated flight time for this route is approximately 18h, flying west northwest at a heading of 295°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting South Africa with United States. It is an intercontinental flight between Africa and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 19:10 in Johannesburg, it's 11:10 in Marks. With a 8-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 5,396 feet between the two airports. Selfs Airport sits lower than O. R. Tambo International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Marks (MMS) to Johannesburg (JNB) follows a heading of 99° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the O. R. Tambo International Airport (JNB) and Selfs Airport (MMS) detail pages, or use our flight duration calculator to compare other routes.

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