Distance from Houston to Tehran
The distance between Houston, United States and Tehran, Iran is 11,952 km (7,426 miles) in a straight line. If a road route exists, expect roughly 14940 km (9283 miles) by car — around 186 h 45 min of driving.
| Measure | Value |
|---|---|
| Straight-line distance | 11,952 km / 7,426 mi |
| Road distance (estimate) | ≈ 14940 km / 9283 mi |
| Driving time (estimate) | ≈ 186 h 45 min |
| Flight time (estimate) | ≈ 14 h 34 min |
Road distance and travel times are estimates based on the straight-line distance (road factor 1.25, average speed 80 km/h) — actual routes vary.
| Place | Latitude | Longitude |
|---|---|---|
| Houston, United States | 29.7608026 | -95.3695062 |
| Tehran, Iran | 35.6863968 | 51.4328575 |
Frequently asked questions
How far is Tehran from Houston?
The straight-line (air) distance from Houston, United States to Tehran, Iran is 11,952 km (7,426 miles). By road it is roughly 14940 km (9283 miles), depending on the route.
How long does it take to drive from Houston to Tehran?
Approximately 186 h 45 min, assuming an 80 km/h average over an estimated road distance of 14940 km. Actual time depends on the route, traffic and border crossings.
How long is the flight from Houston to Tehran?
A direct flight covers 11,952 km in about 14 h 34 min at typical cruise speed, plus airport time. Not all city pairs have direct flights.
How do I calculate distances for a whole list of locations?
Upload a CSV or Excel spreadsheet to the batch distance calculator — it computes the distance for every origin–destination row at once. The first records are free to try.