Acts 1:12

Then returned they unto Jerusalem from the mount called Olivet, which is nigh unto Jerusalem,. Sabbath day's journey off.

'FROM THE MOUNT CALLED OLIVET'-Which is. north-to-south ridge of hills east of Jerusalem, rising to about 2,676 ft. 'The Mount of Olives is on the east of Jerusalem, and must be passed by those who go from Jerusalem to Bethany.' (Luke 24:50) 2

'A SABBATH DAY'S JOURNEY OFF'-about 2000 cubits or 3/5 of. mile. According to Jewish tradition, it was the distance that one could lawfully travel on the Sabbath day, without violating the prohibition about working on the Sabbath. "It was the supposed distance between the camp and the tabernacle in the wilderness." (Vincent p. 444) Hence, 'no part of the camp was more than 2000 cubits from the tabernacle--and of course, the Jews would be allowed to travel this distance as they were coming to worship.' (Reese p. 17)

Point to Note:

Nothing in the text indicates exactly where on the Mount of Olives Jesus ascended. Boles notes, 'Luke says here that the Mount of Olives was. Sabbath Day's journey from Jerusalem, not that Jesus was precisely that distance when he ascended.' (p. 24) Nothing in the text says that when Jesus comes He will descend in the vicinity of the Mount of Olives. In fact, the Bible says that we will meet Him in the air (1 Thessalonians 4:17).