Distance from Cascais to Opal Cliffs
The distance between Cascais, Portugal and Opal Cliffs, United States is 9,133 km (5,675 miles) in a straight line. If a road route exists, expect roughly 11416 km (7094 miles) by car — around 142 h 42 min of driving.
| Measure | Value |
|---|---|
| Straight-line distance | 9,133 km / 5,675 mi |
| Road distance (estimate) | ≈ 11416 km / 7094 mi |
| Driving time (estimate) | ≈ 142 h 42 min |
| Flight time (estimate) | ≈ 11 h 15 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 |
|---|---|---|
| Cascais, Portugal | 38.6972772 | -9.4217563 |
| Opal Cliffs, United States | 36.963427 | -121.967402 |
Frequently asked questions
How far is Opal Cliffs from Cascais?
The straight-line (air) distance from Cascais, Portugal to Opal Cliffs, United States is 9,133 km (5,675 miles). By road it is roughly 11416 km (7094 miles), depending on the route.
How long does it take to drive from Cascais to Opal Cliffs?
Approximately 142 h 42 min, assuming an 80 km/h average over an estimated road distance of 11416 km. Actual time depends on the route, traffic and border crossings.
How long is the flight from Cascais to Opal Cliffs?
A direct flight covers 9,133 km in about 11 h 15 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.
Related distances
Distance from Opal Cliffs to Cascais (reverse route)
GPS coordinates of Cascais GPS coordinates of Opal Cliffs