Madrid Wildfire | Wildfire Rapidly Spreads 20 KM Outside Madrid, Seen In aerial Footage Aerial video footage showed a rapidly spreading wildfire 21 kilometers outside the Spanish capital Madrid on Monday. The fire was believed to have started around 19:45 local time (17:45gmt), Monday, on the outskirts of the Tres Cantos commuter town, north of Madrid. A new complex of apartment blocks was in the trajectory of the flames.