"stand closely" is grammatically correct and can be used in written English.
It means to stand near or next to someone or something. Example: The audience was instructed to stand closely to their partners during the dance routine.
The two sides intended to stand closely against the walls were normally undecorated.
They stand closely together, forming what looks almost like an infinity sign, like a school of fish caught mid-movement.
For one thing it had been raised carefully on a small farm near their place in Pennsylvania – Kreeky Tree Farm; for another, it was of a breed that I've never run into in New York at a butcher shop or a farmers' market stand: closely related to the highly-regarded Bresse chickens raised in France, with their characteristic blue-black legs.
Have your child stand closely in front of you with one side toward you.
The differences in average spatiogenetic separation between stands is closely associated with stand density and average spatial separation, as can be expected in the presence of spatiogenetic clusters.
They stand in closely spaced cliffside bunkers and mow down flocks of migrating hawks.
I agree with 90% of what UKIP stand for, closely followed by the Conservatives.
While saying their vows, the bride and groom put their arms around each other and stood as closely as two people just about to kiss.
The occurrence of such tree microhabitats in forest stands is closely related to forest management.
How Doodnaught was able to repeatedly insert his penis into the paralyzed patient's mouth while the operating team stood so closely was "surprising, but not impossible". .
And then my mother and this man from her past stood as closely together as they might have 50 years ago, talking quietly.
