Walking Four Miles to Hear Kedusha

The Mishnah Berurah writes that it is preferable to respond to Kedusha rather than begin praying the Shemoneh Esrei after the congregation has started the silent prayer. It is known that one should walk four miles to pray with a minyan. Should someone who has not heard Kedusha and Barechu also walk four miles to hear them, and this is in several scenarios: if he prayed alone at home; if he started praying with the congregation but did not finish before the chazzan reached Kedusha.

Shalom Rav

It is mentioned only in relation to prayer, not other matters of Kedusha. 

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