Distance From Ontario International Airport to Gagarin International Airport, ONT - GSV Distance

The distance from Ontario International Airport (ONT) to Gagarin International Airport (GSV) is 6430 miles or 10347 kilometers or 5584 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 Ontario ( United States ) to Saratov ( Russia )?

A one-way nonstop (direct) flight between Ontario and Saratov takes around 14 hours 46 minutes.

Estimated flight time from Ontario International Airport, Ontario, United States to Gagarin International Airport, Saratov, Russia is 14 hours 46 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 • ONT - GSV

Kilometers		10347 km
Statute Miles		6430 miles
Nautical Miles		5584 nm
Avg. Time of Flight		14 hours 46 minutes

Ontario International Airport to Gagarin International Airport Flight Route Map - ONT to GSV Flight Path

Location of Ontario International Airport & Gagarin International Airport is given below.
Click the map to view Ontario to Saratov nonstop flight path and travel direction.

Click to see flight route on Google Map between Ontario, United States and Saratov, Russia. .

Nonstop flight route between Ontario, United States and Saratov, Russia.

Time Difference Between the Airports • ONT - GSV

Time difference between Ontario (United States) and Saratov (Russia) is 12 Hours.
Saratov time is 12 Hours ahead of Ontario.

Location	Local Time
Ontario (United States)	2026-02-02, 01:17:57 PST
Saratov (Russia)	2026-02-02, 13:17:57 +04

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

Ontario International Airport (ONT / KONT) Ontario, United States

Destination

Gagarin International Airport (GSV / UWSG) Saratov, Russia