Seattle, United States → Portland, United States
126 nautical miles · Direction: south
The straight-line distance from Seattle to Portland is 234 km (145 miles). Portland lies roughly south of Seattle; the initial great-circle bearing is 187° (S). It is a domestic route within United States.
Seattle (Pacific Northwest, United States) sits at 47.6062°N, 122.3321°W; Portland (Pacific Northwest, United States) is at 45.5152°N, 122.6784°W. The initial great-circle bearing is 187° (S); on a great circle the heading changes along the way.
| Mode | Figure | Basis |
|---|---|---|
| ✈️ Flight | ~48 min | Estimate: 800 km/h + 30 min taxi. Not a schedule; total trip time is longer. |
| 🚗 Road | ~304 km · ~3h 48min | Rough estimate: straight line × 1.3 at 80 km/h. Not live routing. |
| 🚆 Rail | No timetable data | Same landmass, so rail may exist — check an operator. |
Rough road-length estimate for Seattle to Portland: about 304 km. This is an estimate, not a routed drive — the actual road distance depends on the road network, crossings and the route chosen.
The geographic halfway point of the great-circle path between Seattle and Portland lies at approximately 46.5608°N, 122.5086°W — the position that is an equal 117 km from each city along that path. It is a geometric midpoint, not a halfway point by road.
Seattle and Portland both use the America/Los_Angeles time zone, so there is no normal clock difference between them.
All distances from Seattle · All distances from Portland
The straight-line distance from Seattle to Portland is approximately 234 km (145 miles, 126 nautical miles).
Portland lies roughly south of Seattle; the initial great-circle bearing is 187° (S).
Estimated flight time is about 48 min (great-circle distance at 800 km/h plus 30 min for taxi, take-off and landing). It is not an airline schedule, and over such a short distance airport time dominates; total airport-to-airport trip time is longer.
Rough road-length estimate for Seattle to Portland: about 304 km. This is an estimate, not a routed drive — the actual road distance depends on the road network, crossings and the route chosen.
Seattle and Portland both use the America/Los_Angeles time zone, so there is no normal clock difference between them.
Straight-line distance uses the great-circle (Haversine) method. Flight and road figures, where shown, are estimates rather than schedules or live routing. How SnapDistance calculates distances