Vinings, Georgia. Vinings is a census-designated place and an unincorporated town in Cobb County, Georgia, just across the Chattahoochee River from Atlanta. As of the 2010 census, the CDP had a total population of 9,734.
the gulf of Mexico is about 850 miles wide at its widest point. I'm not sure where the widest point is, but i hope this helped. That is all the info I could find to answer your question. I was wondering that same thing to plan a boat trip to Brownsville Texas from where I am now in Ft. Myers Florida.
A peninsula between the Gulf of Mexico, the Atlantic Ocean, and the Straits of Florida, it has the longest coastline in the contiguous United States, approximately 1,350 miles (2,170 km), and is the only state that borders both the Gulf of Mexico and the Atlantic Ocean.