The Noble Shaykh Ahmad Baazmool (may Allah preserve him) was asked:

Is it permissible to direct a Christian to a Church if he was to ask your directions?

He answered:

That which is apparent is that it’s not permissible and Allah knows best.

Taken From: The lecture, Matters The Messenger of Allah Prohibited

Translated by Abu Yusuf Khaleefah
15th of Shawwaal, 1436 H (08-1-2015)
Masjid Nur Allah, Queens, NYC