Distance From Christmas Island Airport to Ulaanbaatar Chinggis Khaan International Airport, XCH - UBN Distance

The distance from Christmas Island Airport (XCH) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 4015 miles or 6461 kilometers or 3487 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.

---

How long does it take to travel from Flying Fish Cove ( Christmas Island ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Flying Fish Cove and Ulaanbaatar (Sergelen) takes around 9 hours 13 minutes.

Estimated flight time from Christmas Island Airport, Flying Fish Cove, Christmas Island to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 9 hours 13 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 • XCH - UBN

Kilometers		6461 km
Statute Miles		4015 miles
Nautical Miles		3487 nm
Avg. Time of Flight		9 hours 13 minutes

Christmas Island Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - XCH to UBN Flight Path

Location of Christmas Island Airport & Ulaanbaatar Chinggis Khaan International Airport is given below.
Click the map to view Flying Fish Cove to Ulaanbaatar (Sergelen) nonstop flight path and travel direction.

Click to see flight route on Google Map between Flying Fish Cove, Christmas Island and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Flying Fish Cove, Christmas Island and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • XCH - UBN

Time difference between Flying Fish Cove (Christmas Island) and Ulaanbaatar (Sergelen) (Mongolia) is 1 Hours.
Ulaanbaatar (Sergelen) time is 1 Hours ahead of Flying Fish Cove.

Location	Local Time
Flying Fish Cove (Christmas Island)	2026-06-27, 17:10:05 +07
Ulaanbaatar (Sergelen) (Mongolia)	2026-06-27, 18:10:05 +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

Christmas Island Airport (XCH / YPXM) Flying Fish Cove, Christmas Island

Destination

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