ghest point: Blue Mountain Peak 2,256 m

Jan Mayen:
lowest point: Norwegian Sea 0 m

highest point: Haakon VII Toppen/Beerenberg 2,277 m

Japan:
lowest point: Hachiro-gata -4 m

highest point: Fujiyama 3,776 m

Jarvis Island:
lowest point: Pacific Ocean 0 m

highest point: unnamed location 7 m

Jersey:
lowest point: Atlantic Ocean 0 m

highest point: unnamed location 143 m

Johnston Atoll:
lowest point: Pacific Ocean 0 m

highest point: Summit Peak 5 m

Jordan:
lowest point: Dead Sea -408 m

highest point: Jabal Ram 1,734 m

Juan de Nova Island:
lowest point: Indian Ocean 0 m

highest point: unnamed location 10 m

Kazakhstan:
lowest point: Vpadina Kaundy -132 m

highest point: Khan Tangiri Shyngy (Pik Khan-Tengri) 6,995 m

Kenya:
lowest point: Indian Ocean 0 m

highest point: Mount Kenya 5,199 m

Kingman Reef:
lowest point: Pacific Ocean 0 m

highest point: unnamed location 1 m

Kiribati:
lowest point: Pacific Ocean 0 m

highest point: unnamed location on Banaba 81 m

Korea, North:
lowest point: Sea of Japan 0 m

highest point: Paektu-san 2,744 m

Korea, South:
lowest point: Sea of Japan 0 m

highest point: Halla-san 1,950 m

Kuwait:
lowest point: Persian Gulf 0 m

highest point: unnamed location 306 m

Kyrgyzstan:
lowest point: Kara-Darya 132 m

highest point: Jengish Chokusu (Pik Pobedy) 7,439 m

Laos:
lowest point: Mekong River 70 m

highest point: Phou Bia 2,817 m

Latvia:
lowest point: Baltic Sea 0 m

highest point: Gaizinkalns 312 m

Lebanon:
lowest point: Mediterranean Sea 0 m

highest point: Qurnat as Sawda' 3,088 m

Lesotho:
lowest point: junction of the Orange and Makhaleng Rivers
1,400 m

highest point: Thabana Ntlenyana 3,482 m

Liberia:
lowest point: Atlantic Ocean 0 m

highest point: Mount Wuteve 1,380 m

Libya:
lowest point: Sabkhat Ghuzayyil -47 m

highest point: Bikku Bitti 2,267 m

Liechtenstein:
lowest point: Ruggeller Riet 430 m

highest point: Grauspitz 2,599 m

Lithuania:
lowest point: Baltic Sea 0 m

highest point: Juozapines/Kalnas 292 m

Luxembourg:
lowest point: Moselle River 133 m

highest point: Buurgplaatz 559 m

Macau:
lowest point: South China Sea 0 m

highest point: Coloane Alto 174 m

Macedonia, The Former Yugoslav Republic of:
lowest point: Va