Distance from Singapore to Tehran
🇸🇬 Singapore, Singapore → 🇮🇷 Tehran, Iran
The distance between Singapore and Tehran is 6,606 kilometres (4,105 miles) measured as a great-circle (straight) line. Flying out of Singapore Changi Airport (SIN), the initial heading is roughly northwest (312°), and a typical nonstop flight takes around 8h 45m. Actual flight paths and times vary with routing, winds and air-traffic constraints.
Travelling the other way, from Tehran to Singapore, covers the same 6,606 km; the return flight leaves on an initial heading of roughly southeast (113°). Tehran (UTC+3:30) is 4h 30m behind Singapore (UTC+8).
Singapore
Singapore
A wealthy island city-state and global trade hub, Singapore is known for its gleaming skyline, lush gardens and multicultural cuisine.
Top sights: Marina Bay Sands, Gardens by the Bay, Sentosa, Merlion Park, Orchard Road, Chinatown
Tehran
Iran
Iran's sprawling capital sits below the snow-capped Alborz Mountains, mixing grand Qajar palaces, lively bazaars and modern museums.
Top sights: Golestan Palace, Grand Bazaar, Milad Tower, National Museum of Iran, Azadi Tower
Frequently asked questions
- How far is Tehran from Singapore?
- 6,606 km (4,105 miles) in a straight line.
- How long is the flight from Singapore to Tehran?
- About 8h 45m nonstop, at an average 800 km/h cruising speed plus taxi and climb time.
- What direction is Tehran from Singapore?
- Tehran lies roughly to the northwest of Singapore (initial bearing 312°).
- How far is Singapore from Tehran?
- The same 6,606 km (4,105 miles) — great-circle distance does not depend on direction.
- What is the time difference between Singapore and Tehran?
- Tehran (UTC+3:30) is 4h 30m behind Singapore (UTC+8).
- Which airports serve this route?
- Singapore: Singapore Changi Airport (SIN). Tehran: Imam Khomeini International Airport (IKA).
More distances from Singapore
See the country profiles for Singapore and Iran, or open the Asia distance calculator.