The flight distance from Václav Havel Airport (PRG) in Prague, Czech Republic to St Johns Industrial Air Park (SJN) in St Johns, United States is 9,100 kilometers (5,654 miles / 4,914 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 316°.

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 Czech Republic with United States. It is an intercontinental flight between Europe and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 00:04 in Prague, it's 15:04 in St Johns. With a 9-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 4,490 feet between the two airports. St Johns Industrial Air Park sits higher than Václav Havel Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from St Johns (SJN) to Prague (PRG) follows a heading of 33° (north northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Václav Havel Airport (PRG) and St Johns Industrial Air Park (SJN) detail pages, or use our flight duration calculator to compare other routes.