One verse

Srimad Bhagavatam 5.24.4

5.24.4

ततोऽधस्तात्सिद्धचारणविद्याधराणां सदनानि तावन्मात्र एव ॥ ४ ॥

tato ’dhastat siddha-carana-vidyadharanam sadanani tavan matra eva.

tatah
the plane Rahu
adhastat
below
siddha-carana
of the planes known as Siddhaloka and Caranaloka
vidyadharanam
and the planets of the Vidyadharas
sadanani
the residential places
tavat matra
only that much distance (eighty thousand miles)
eva
indeed.

Below Rahu by 10,000 yojanas (80,000 miles) are the planes known as Siddhaloka, Caranaloka and Vidyadhara-loka.