Do you mean something like this?
# Sample data
Tab <- data.frame(stringsAsFactors=FALSE,
Prenom = c("Abdel", "Corinne", "Fred", "Jacque", "Jean", "Jean-Pierre",
"Julie", "Pierre", "Richard"),
KM = c(13470, 11727, 12108, 11115, 10522, 11053, 10503, 13277, 10311))
library(ggplot2)
ggplot(Tab, aes(x = Prenom, y = KM)) +
geom_col() +
coord_flip()

Created on 2019-05-30 by the reprex package (v0.3.0)