Distance From St Clair County International Airport to Henri Coandă International Airport, PHN - OTP Distance

The distance from St Clair County International Airport (PHN) to Henri Coandă International Airport (OTP) is 4966 miles or 7991 kilometers or 4312 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 Port Huron ( United States ) to Bucharest ( Romania )?

A one-way nonstop (direct) flight between Port Huron and Bucharest takes around 11 hours 24 minutes.

Estimated flight time from St Clair County International Airport, Port Huron, United States to Henri Coandă International Airport, Bucharest, Romania is 11 hours 24 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 • PHN - OTP

Kilometers		7991 km
Statute Miles		4966 miles
Nautical Miles		4312 nm
Avg. Time of Flight		11 hours 24 minutes

St Clair County International Airport to Henri Coandă International Airport Flight Route Map - PHN to OTP Flight Path

Location of St Clair County International Airport & Henri Coandă International Airport is given below.
Click the map to view Port Huron to Bucharest nonstop flight path and travel direction.

Click to see flight route on Google Map between Port Huron, United States and Bucharest, Romania. .

Nonstop flight route between Port Huron, United States and Bucharest, Romania.

Time Difference Between the Airports • PHN - OTP

Time difference between Port Huron (United States) and Bucharest (Romania) is 7 Hours.
Bucharest time is 7 Hours ahead of Port Huron.

Location	Local Time
Port Huron (United States)	2025-12-16, 18:37:41 EST
Bucharest (Romania)	2025-12-17, 01:37:41 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

St Clair County International Airport (PHN / KPHN) Port Huron, United States

Destination

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