https://piktochart.com/blog/carbon-footprint-of-chatgpt/
According to this, a return flight from SF to Seattle is equivalent to 92593 queries.
I don’t actually vouch for their math, especially since “queries” are such a broad unit which don’t take into account the model, or token count, or the carbon efficiency of the power source. But I think it’s a useful order of magnitude starting point.