السلام عليكم ورحمة الله وبركاته Someone told me the best masjid to go to is the closest to you (not talking about masjid haram/madina/aqsa rewards but just in general). Is this correct?

Ustadh AbdulAziz al-Haqqan

No, the masjid that has a bigger jama'ah is better and either way u can pray in whichever masjid u would like.