Chicago O Block (Google Maps) in GTA 5 is a Google Maps extraction of Chicago Parkway Gardens - O Block district.
The map was converted by EncryptedReality.

Map location: 
x=-103.39
y=-5850.1
z=237.553

You can use these lines below by copying into trainer.ini teleport slot. Use with Simple Trainer by sjaak.

[Teleport1Slot0]
x=-103.39
y=-5850.1
z=237.553
MenuDescription=Chicago O Block

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https://sharemods.com/ivti1juvhm8v/chicago-oblock-gta5.rar.html