The equator does NOT pass through one of these four countries. Which one?

The equator passes south of Chad. It passes through the following countries (with longitude given in each case)

9°21′E Gabon: Passing 5.5 miles south of Ayem, 6.6 miles north of Mayene, Booue

13°56′E Republic of the Congo: Passing through the town of Makoua.

17°46′E Democratic Republic of the Congo: Passing 9 km south of central Butembo

29°43′E Uganda: Passing 32 km south of central Kampala

34°0′E Kenya: Passing 6 km north of central Kisumu

41°0′E Somalia

98°12′E Indonesia: The Batu Islands, Sumatra and the Lingga Islands

109°9′E Indonesia: Borneo

119°40′E Indonesia: Sulawesi (Celebes)

127°24′E Indonesia: Kayoa and Halmahera islands

129°20′E Indonesia: Gebe and Kawe islands

91°35′W Ecuador: Isabela Island in the Galápagos Islands

80°6′W Ecuador: Passing 24 km north of central Quito, near Mitad del Mundo

75°32′W Colombia: Passing 4.3 km north of the border with Peru

70°3′W Brazil: Amazonas, Roraima, Pará, Amapá, Pará