Distance From Islamabad International Airport to Henri Coandă International Airport, ISB - OTP Distance

The distance from Islamabad International Airport (ISB) to Henri Coandă International Airport (OTP) is 2583 miles or 4156 kilometers or 2243 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 Attock ( Pakistan ) to Bucharest ( Romania )?

A one-way nonstop (direct) flight between Attock and Bucharest takes around 5 hours 56 minutes.

Estimated flight time from Islamabad International Airport, Attock, Pakistan to Henri Coandă International Airport, Bucharest, Romania is 5 hours 56 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 • ISB - OTP

Kilometers		4156 km
Statute Miles		2583 miles
Nautical Miles		2243 nm
Avg. Time of Flight		5 hours 56 minutes

Islamabad International Airport to Henri Coandă International Airport Flight Route Map - ISB to OTP Flight Path

Location of Islamabad International Airport & Henri Coandă International Airport is given below.
Click the map to view Attock to Bucharest nonstop flight path and travel direction.

Click to see flight route on Google Map between Attock, Pakistan and Bucharest, Romania. .

Nonstop flight route between Attock, Pakistan and Bucharest, Romania.

Time Difference Between the Airports • ISB - OTP

Time difference between Attock (Pakistan) and Bucharest (Romania) is 3 Hours.
Bucharest time is 3 Hours behind Attock.

Location	Local Time
Attock (Pakistan)	2026-03-14, 01:02:05 PKT
Bucharest (Romania)	2026-03-13, 22:02:05 EET

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

Islamabad International Airport (ISB / OPIS) Attock, Pakistan

Destination

Henri Coandă International Airport (OTP / LROP) Bucharest, Romania