About Guidonia
Guidonia is a city in Lazio, Italy with a population of 20,943. It is the 416th largest of the 596 cities of 15,000 or more listed in Italy, and the 24,419th largest worldwide. It lies 20 km from Rome.
Key Facts
Country
Region
Rank in region
#28of 45
Elevation
105 m
Time zone
Europe/Rome
Coordinates
41.992, 12.719
Record updated
2014-05-20
Entry edited, not measured
City population, GeoNames. GeoNames publishes no year for its population figures, so “record updated” is when the entry was last edited — not the date the population was measured.
Nearby Cities
All 596 in ItalyClosest listed cities by great-circle distance from the city centre.