As adverbs the difference between longitudinally and vertically
is that longitudinally is along lines of longitude, in the direction from pole to pole, meridianally while vertically is in a vertical direction or position.
longitudinally
English
Adverb
(
en adverb)
Along lines of longitude, in the direction from pole to pole, meridianally.
(science, and, social science) By sampling data over time rather than merely once.
vertically
English
Adverb
(
en adverb)
In a vertical direction or position.
Synonyms
* perpendicularly
Antonyms
* horizontally
Derived terms
* vertically challenged