It is important to place hummingbird feeders at least 10 feet apart to avoid competition and territorial disputes between the birds. By putting the feeders far enough apart, the hummingbirds will have their own space and won’t have to compete for food.
If you are trying to attract different species of hummingbirds, it is best to put feeders at least 10 feet apart. If you are trying to attract just one species, you can put the feeders closer together.

If you want to attract different species of hummingbirds, it is best to put the feeders at least 10 feet apart. By doing this, you are providing more opportunities for the hummingbirds to find a food source. If you are trying to attract just one species of hummingbird, you can put the feeders closer together since that species is more likely to find the food source.
Conclusion
A safe distance to place hummingbird feeders from one another is about 10 feet.