The pitch would be a standard size, but stadiums vary considerably in size so there is no single answer to that. Some stadiums are much larger than others. Some would include other facilities which make them larger, like a running track. Some of them have higher levels of stands with lots of tiers, some may only have standing room and no covered areas at all. So there is such a variety, that it is impossible to answer the question.
It depends on the size of the stadium.
10-6 metres
There is no single size of a soccer field. There are ranges of acceptable values.
they use 6 inch balls
high school,college, and pro fields are 100 meters by 50 meters
105 x 68 meters for the Olympics.
Official soccer goals are 24 feet long, and 8 feet tall (7.32 meters long and 2.44 meters tall).
The nucleus (I think you mean) can be compared to a grain of rice. The electron cloud to a soccer stadium.
A soccer field is 100 m by 60 m, so your answer is 6000 m² ■
A soccer goal is 8 feet (or 2.44 meters) high by 24 feet (or 7.32 meters) wide, according to FIFA standards.
some people say it's one mile long, but it's only 3 meters long.
The length of an official soccer field is between 90 and 120 meters. How much you ran would depend on the size of the field.