What can you see from St. Peter's Basilica (dome)?
360° terrain visibility analysis from St. Peter's Basilica (dome) — observation point at 174 m, coordinates 41.9022, 12.4539.
From St. Peter's Basilica (dome), the terrain-limited line of sight reaches up to 127 km. The single farthest piece of visible terrain lies 127 km to the east-southeast (bearing 103°), at 2,030 m elevation. These results account for Earth's curvature and standard atmospheric refraction, computed from 30-meter resolution Copernicus GLO-30 elevation data across 1,888,662 terrain samples.
Open the interactive visibility map →Visibility by direction
| Direction | Visible distance |
|---|---|
| North | 113 km |
| East | 127 km |
| South | 50.5 km |
| West | 53.9 km |
Frequently asked questions
How far can you see from St. Peter's Basilica (dome)?
On a clear day the terrain allows a line of sight of up to 127 km from St. Peter's Basilica (dome). The average visible distance across all 360 directions is 43.2 km. Atmospheric conditions (haze, humidity) usually reduce practical visibility below the terrain-limited maximum.
What is the farthest point visible from St. Peter's Basilica (dome)?
The farthest terrain visible from St. Peter's Basilica (dome) lies 127 km to the east-southeast, at an elevation of 2,030 m. Earth's curvature and atmospheric refraction are accounted for in this calculation.
How high is St. Peter's Basilica (dome)?
The observation point at St. Peter's Basilica (dome) sits at 174 m above sea level (Copernicus GLO-30 elevation model).
How is this visibility map calculated?
UpToWhere traces lines of sight in 360 directions from the observer using 30 m-resolution Copernicus terrain data, correcting for Earth curvature and standard atmospheric refraction. You can run the same analysis for any point on Earth with the free calculator.
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