The answer
Angels are made of light, and the sprits are also light. Light moves at a speed of 300,000 km per second. So too, angels can move throughout the churches in the speed of light.
H.G. Bishop Moussa
H.G. Bishop Moussa · Youth Concerns · 97
Faith Q&A › Youth Concerns › Social, Contemporary, and general issues
How can saints and angels be everywhere at the same time?
H.G. Bishop Moussa, Bishop of Youth, Youth Concerns (Questions & Answers). Compiled by Lisa Agaybi. Coptic Orthodox Patriarchate, Bishopric of Youth Bookstore.