The Earth is approxiamately 24902 miles long (across the Equator) and 24859.73 miles around the North and South poles. Football stadiums are approximately 0.6 miles long, so
24902 / 0.6 = 41503.33333 (repeating)
There would be about 41503.3 football fields to get across the Equator.
96.78 football fields.
3 football fields
528 American football fields.
88 football fields
22.58 American football fields.
187,475.2 American football fields.
369,600 American football fields.
About 37,813 US NFL football fields.
25 football fields can fit inside the pentagon
About 105 (105.876124933827422) US NFL football fields.
15 miles = 264 American football fields.
24 whole fields (US, NFL) with some room left over.