Explanation

The equator passes through Ecuador, Colombia, Brazil, Republic of the Congo, Maldives, and Indonesia, making them all countries that the equator passes through.

The equator is a line of latitude that runs around the middle of the Earth, dividing the planet into the Northern and Southern Hemispheres. It passes through 13 countries in total, including:

• Ecuador, Colombia, and Brazil: Located in South America
• Republic of the Congo, Democratic Republic of the Congo, Gabon, Sao Tome & Principe, Uganda, Kenya, and Somalia: Located in Africa
• Maldives and Indonesia: Located in Asia
• Kiribati: Located in Oceania 

The equator passes through three continents and three water bodies: the Atlantic, Pacific, and Indian Oceans.

The highest point on the equator is on the southern slopes of Volcan Cayambe.