Russia
has common border with 14 countries: Norway (NORU), Finland (FIRU),
Estonia (EERU), Latvia (LVRU),
Lithuania (LTRU), Poland (PLRU),
Byelorussia (BYRU), Ukraine (RUUA), Georgia (GERU), Azerbaijan (AZRU),
Kazakhstan (KZRU), China (CNRU) -
two boundary lenghts, Mongolia (MNRU) and North Korea (KPRU).