New Zealand
lowest point: Pacific Ocean 0 m
highest point: Aoraki-Mount Cook 3,754 m
Nicaragua
lowest point: Pacific Ocean 0 m
highest point: Mogoton 2,438 m
Niger
lowest point: Niger River 200 m
highest point: Mont Bagzane 2,022 m
Nigeria
lowest point: Atlantic Ocean 0 m
highest point: Chappal Waddi 2,419 m
Niue
lowest point: Pacific Ocean 0 m
highest point: unnamed location near Mutalau settlement 68 m
Norfolk Island
lowest point: Pacific Ocean 0 m
highest point: Mount Bates 319 m
Northern Mariana Islands
lowest point: Pacific Ocean 0 m
highest point: unnamed location on Agrihan 965 m
Norway
lowest point: Norwegian Sea 0 m
highest point: Galdhopiggen 2,469 m
Oman
lowest point: Arabian Sea 0 m
highest point: Jabal Shams 2,980 m
Pacific Ocean
lowest point: Challenger Deep in the Mariana Trench
-10,924 m
highest point: sea level 0 m