Distance From Hartley Bay Seaplane Base to Ulaanbaatar Chinggis Khaan International Airport, YTB - UBN Distance

The distance from Hartley Bay Seaplane Base (YTB) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 4721 miles or 7598 kilometers or 4100 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 Hartley Bay ( Canada ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Hartley Bay and Ulaanbaatar (Sergelen) takes around 10 hours 51 minutes.

Estimated flight time from Hartley Bay Seaplane Base, Hartley Bay, Canada to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 10 hours 51 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 • YTB - UBN

Kilometers		7598 km
Statute Miles		4721 miles
Nautical Miles		4100 nm
Avg. Time of Flight		10 hours 51 minutes

Hartley Bay Seaplane Base to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - YTB to UBN Flight Path

Location of Hartley Bay Seaplane Base & Ulaanbaatar Chinggis Khaan International Airport is given below.
Click the map to view Hartley Bay to Ulaanbaatar (Sergelen) nonstop flight path and travel direction.

Click to see flight route on Google Map between Hartley Bay, Canada and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Hartley Bay, Canada and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • YTB - UBN

Time difference between Hartley Bay (Canada) and Ulaanbaatar (Sergelen) (Mongolia) is 15 Hours.
Ulaanbaatar (Sergelen) time is 15 Hours ahead of Hartley Bay.

Location	Local Time
Hartley Bay (Canada)	2026-03-19, 21:35:38 PDT
Ulaanbaatar (Sergelen) (Mongolia)	2026-03-20, 12:35:38 +08

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

Hartley Bay Seaplane Base (YTB / CAY4) Hartley Bay, Canada

Destination

Ulaanbaatar Chinggis Khaan International Airport (UBN / ZMCK) Ulaanbaatar (Sergelen), Mongolia