DEN
Denver
United States
9,174 km
5,701 miles
FKS
Sukagawa
Japan
Distance
9,174 km
5,701 mi / 4,954 nm
Est. Flight Time
12h
Ultra-long-haul route
Time Difference
+16h
America/Denver
Heading
313°
northwest

Airport Comparison

DEN FKS
Airport Name Denver International Airport Fukushima Airport
IATA Code DEN FKS
ICAO Code KDEN RJSF
City Denver Sukagawa
Country United States Japan
Timezone America/Denver Asia/Tokyo
Elevation 5,434 ft 1,221 ft
Coordinates 39.860000, -104.670000 37.230000, 140.430000

Denver (DEN) to Sukagawa (FKS) Flight Distance

The flight distance from Denver International Airport (DEN) in Denver, United States to Fukushima Airport (FKS) in Sukagawa, Japan is 9,174 kilometers (5,701 miles / 4,954 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 313°.

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

Time zone information: When it's 22:49 in Denver, it's 14:49 in Sukagawa. With a 16-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 4,213 feet between the two airports. Fukushima Airport sits lower than Denver International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Sukagawa (FKS) to Denver (DEN) follows a heading of 45° (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 Denver International Airport (DEN) and Fukushima Airport (FKS) detail pages, or use our flight duration calculator to compare other routes.

Calculate Flight Time Between Airports

Use our flight time calculator to find distances and estimated flight travel times between cities. Calculate flight duration for any airport pair worldwide.