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.
The length of the gulf in its northern part (from its northern extent down to megalo emvolo cape) is estimated to stretch 15 km, while after megalo emvolo cape towards the south, its length extents a further 50 km. Cape Kassandra lies to the southeast end of the gulf.