Distance From Sutter Medical Center Castro Valley Heliport to Ulaanbaatar Chinggis Khaan International Airport

The distance from Sutter Medical Center Castro Valley Heliport () to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 5816 miles or 9359 kilometers or 5051 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 Castro Valley ( United States ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Castro Valley and Ulaanbaatar (Sergelen) takes around 13 hours 22 minutes.

Estimated flight time from Sutter Medical Center Castro Valley Heliport, Castro Valley, United States to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 13 hours 22 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 • - UBN

Kilometers		9359 km
Statute Miles		5816 miles
Nautical Miles		5051 nm
Avg. Time of Flight		13 hours 22 minutes

Sutter Medical Center Castro Valley Heliport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - to UBN Flight Path

Location of Sutter Medical Center Castro Valley Heliport & Ulaanbaatar Chinggis Khaan International Airport is given below.
Click the map to view Castro Valley to Ulaanbaatar (Sergelen) nonstop flight path and travel direction.

Click to see flight route on Google Map between Castro Valley, United States and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Castro Valley, United States and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • - UBN

Time difference between Castro Valley (United States) and Ulaanbaatar (Sergelen) (Mongolia) is 16 Hours.
Ulaanbaatar (Sergelen) time is 16 Hours ahead of Castro Valley.

Location	Local Time
Castro Valley (United States)	2025-12-16, 06:33:31 PST
Ulaanbaatar (Sergelen) (Mongolia)	2025-12-16, 22:33:31 +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

Sutter Medical Center Castro Valley Heliport ( / 0CA1) Castro Valley, United States

Destination

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