Singapore to Denver
18h 32m The flight from Singapore Changi Airport (SIN) to Denver International Airport (DEN) covers 14,585 km (9,063 miles) and takes approximately 18h 32m gate to gate for a typical jet.
The route heads north-east on an initial great-circle bearing of 29°, passing near 53.5° N, 152.5° E at its midpoint.
The route
The great-circle path — the shortest line between the two airports across the curve of the earth. On a flat map it looks bent; on a globe it is straight.
Flight time at different cruise speeds
Aircraft type, winds and routing all move the real number. This is the same distance flown at different speeds, plus the 25-minute ground and climb allowance.
| Typical of | Cruise speed | Airborne | Gate to gate |
|---|---|---|---|
| Turboprop / regional | 550 km/h | 26h 31m | 26h 56m |
| Narrowbody jet (A320, 737) | 780 km/h | 18h 42m | 19h 07m |
| Widebody jet (777, 787, A350) | 900 km/h | 16h 12m | 16h 38m |
| Private jet (Gulfstream) | 850 km/h | 17h 10m | 17h 35m |
Headwinds on an eastbound long-haul routinely add 30–60 minutes; the same route westbound can be quicker. Airlines publish schedules with padding built in.
Both airports
| SIN | DEN | |
|---|---|---|
| Airport | Singapore Changi Airport | Denver International Airport |
| City | Singapore | Denver |
| Country | Singapore | United States |
| ICAO | WSSS | KDEN |
| Coordinates | 1.3502, 103.994 | 39.86, -104.6738 |
| Elevation | 22 ft | 5,431 ft |
Questions
How long is the flight from Singapore to Denver?
A non-stop flight from Singapore (SIN) to Denver (DEN) takes about 18h 32m. The great-circle distance is 14,585 km (9,063 miles, 7,875 nautical miles), flying north-east on an initial bearing of 29°.
How far is Singapore from Denver?
14,585 kilometres in a straight line over the earth's surface — 9,063 miles or 7,875 nautical miles. Actual flown distance is usually 2–5% longer because aircraft follow airways, avoid weather and route around restricted airspace.
Is there a non-stop flight between SIN and DEN?
This page calculates the direct-line time and distance; it does not track airline schedules. At 14,585 km the route is at the extreme end of what any airliner can fly non-stop, so a connection is likely. Check an airline or booking site for what is actually scheduled.
What should I expect on a 18h 32m flight?
Anything past six hours is a long-haul flight: expect at least one meal service, a significant time-zone shift, and enough sitting that circulation and hydration start to matter. Cabin altitude, dry air and disrupted sleep do more damage to a training routine than the flight itself.
Airport coordinates from OurAirports (public domain). Distance is a great-circle calculation; flight time uses the model described on the method page. Flight times are great-circle estimates for planning only — always check the airline's published schedule.