Jamaica
Caribbean, island in the Caribbean Sea, south of Cuba

Jan Mayen
Northern Europe, island between the Greenland Sea and the
Norwegian Sea, northeast of Iceland

Japan
Eastern Asia, island chain between the North Pacific Ocean and
the Sea of Japan, east of the Korean Peninsula

Jarvis Island
Oceania, island in the South Pacific Ocean, about half
way between Hawaii and the Cook Islands

Jersey
Western Europe, island in the English Channel, northwest of
France

Johnston Atoll
Oceania, atoll in the North Pacific Ocean 717 nm
(1328 km) southwest of Honolulu, Hawaii, about one-third of the way
from Hawaii to the Marshall Islands

Jordan
Middle East, northwest of Saudi Arabia

Juan de Nova Island
Southern Africa, island in the Mozambique
Channel, about one-third of the way between Madagascar and Mozambique

Kazakhstan
Central Asia, northwest of China; a small portion west of
the Ural River in eastern-most Europe

Kenya
Eastern Africa, bordering the Indian Ocean, between Somalia
and Tanzania