We can do 360’ with a few magic items and guardian of nature.
Attunement free magic items: +60'
Goggles of night (does not require attunement):
While wearing these dark lenses, you have darkvision out to a range of 60 feet. If you already have darkvision, wearing the goggles increases its range by 60 feet.
Magic items requiring attunement: +180'.
Seeing farther than 120 feet requires stacking different bonuses
Getting more than 120 feet of darkvision is difficult. If you had started as a dark elf it would be easy using goggles of night.
Other possibilities would be using shadow sorcerer / gloom stalker, and goggles of night. Otherwise, you have to stack magic items.
Goggles of Night and ...
If creatures in darkness can be seen in silhouette by a creature via light from the other side of the darkness area of effect, then they are seen. Ergo, light cannot be perceived through the area of magical darkness.
Light spells (Light, Daylight, …) and darkness spells (Darkness, Deeper Darkness, …) affect each other according to their level. If their effects overlap they either negate each other (if they are of same level) or the effect of the lower level spell is suppressed.
Since these spells do not mention light/darkness effects created by other (non-mundane) means ...