Liaison office of Grand Ayatullah Sayyid Ali Al Sistani (L.M.H.L) in London, Europe, North and South America.
Tamam Prayer
4. Performing tamam prayer.
"Distance should be calculated from the point where a person is considered, according to urf, a traveller; it is the end of the bounds of the town, which may be the borough or neighbourhood in some very big cities". Al-Minhaj, p.891.