100 miles
depends on how far away you are from where it exploded.
The car was either as far away as you could make out. Either that or it was so far away that when you felt something bump against your car's rear, you knew that it was too far to be true.
The effects of the Mount Tambora eruption of 1815 were felt worldwide.
they were far away
Approximately in a 60 mile radius.
they were so far away
Andromada is too far away to have an effect on Earth, if it did explode. The Andromeda galaxy may be destroyed a bit. If it does erupt there's nothing to worry about.
The school in Chernobyl, Pripyat, was located around 1.5 kilometers (0.93 miles) away from the Chernobyl Nuclear Power Plant reactor that exploded in 1986.
The diving turn maneuver that the Enola Gay at Hiroshima and Bockscar at Nagasaki performed brought them to about 11 miles distance from the burst before the shockwaves hit the aircraft. The photography and instrumentation planes accompanying them were probably also at least this far away.
So far, the Earth or its layers have not exploded.
Dicey's biggest disappointment about the location of Aunt Cilla's house was that it was so far away from the ocean. Dicey loved the ocean and felt a deep connection to it, so being far away was a letdown for her.
Far, far away is a saying that means something is literally far away.