Distance from SeaTac to Philadelphia

The distance between SeaTac, United States and Philadelphia, United States is 3,818 km (2,372 miles) in a straight line. If a road route exists, expect roughly 4773 km (2966 miles) by car — around 59 h 40 min of driving.

Measure Value
Straight-line distance 3,818 km / 2,372 mi
Road distance (estimate) ≈ 4773 km / 2966 mi
Driving time (estimate) ≈ 59 h 40 min
Flight time (estimate) ≈ 5 h

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
SeaTac, United States 47.445261 -122.2945348
Philadelphia, United States 39.9510605 -75.1656204

Frequently asked questions

How far is Philadelphia from SeaTac?

The straight-line (air) distance from SeaTac, United States to Philadelphia, United States is 3,818 km (2,372 miles). By road it is roughly 4773 km (2966 miles), depending on the route.

How long does it take to drive from SeaTac to Philadelphia?

Approximately 59 h 40 min, assuming an 80 km/h average over an estimated road distance of 4773 km. Actual time depends on the route, traffic and border crossings.

How long is the flight from SeaTac to Philadelphia?

A direct flight covers 3,818 km in about 5 h 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.

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