Depending on where the yellow line is painted, 0 degrees Latitude and 0 degrees Longitude is either in the Gulf of Guinea or the Atlantic Ocean. The closest country would be Ghana, closely followed by Togo, Benin and the island nation of Sao Tome.
Australia is closest to there.
The USA, is the country at 40 degrees North latitude, and 100 degrees West longitude. The state of Nebraska contains precise location.
Since you did not specify the direction of longitude, the country located at 20 degrees south latitude and 140 degrees east longitude is Australia, while the country located at 20 degrees south latitude and 140 degrees west longitude is France. The location is French Polynesia, which is a French territory.
The country is centered near 24°N latitude and 121°W longitude.
The country that 40°N crosses 40°E is Turkey.
Geographically, the center of the world is located at zero degrees latitude, zero degrees longitude. Ghana is the closest country to that point.
As Sweden is a country and occupies a significant area, no single latitude and longitude coordinates can be given.
There is no country as zero degrees latitude and zero degrees longitude. This location is in the Atlantic Ocean
The location at 34.56 north latitude and 116.24 east longitude is in China. That location is roughly in the center of 3 provinces in eastern China: Shandong, Henan and Jiangsu. It is 587 km (or 365 miles) south of Beijing.
Oman is 20n latitude and 57 e longitude
Egypt is in North Africa. Cairo is in the North of the country. Its longitude/latitude is 30o01'N 31o14'E.
The country that is located at 65 degrees North latitude and 20 degrees West longitude is Iceland. The country that is located at 65 degrees North latitude and 20 degrees West longitude is Iceland.