Stars within 20 light-years of 99 Herculis:
72 Herculis: 9.5185 light-years, class G2 V
S.W. Burnham 648: 9.72221 light-years, class F9 V
Bonner Durchmusterung +45°2743: 14.2754 light-years, class M2 V
Bonner Durchmusterung +32°3411: 14.5345 light-years, class K0 V
Bonner Durchmusterung +45°2688: 14.8059 light-years, class M0 V
Ross 863: 15.044 light-years, class M3 V
Catalogue Astrographique +16°247-80: 15.3468 light-years, class M1.5 V
Giclas 204-58: 15.3869 light-years, class M V-VI
Bonner Durchmusterung +17°3729: 15.7202 light-years, class M1.5 V
Catalogue Astrographique +41°726-154: 15.7991 light-years, class M3 V-VI
Bonner Durchmusterung +38°3095: 16.003 light-years, class K2 V
Alpha Ophiuchi: 17.0777 light-years, class A5 III
110 Herculis: 17.1895 light-years, class F6 V
V645 Herculis: 18.058 light-years, class M4e V
Bonner Durchmusterung +15°3108: 18.0626 light-years, class K0 V
Eggen/Greenstein white dwarf 375: 18.1201 light-years, class DC7 wd
Bonner Durchmusterung +31°3767: 18.8363 light-years, class M0.5 V-VI
Ross 640: 19.2283 light-years, class DZA6 wd
Bonner Durchmusterung +35°3145: 19.6007 light-years, class M0 V
Giclas 180-63: 19.6705 light-years, class DA8 wd
Bonner Durchmusterung +13°3578: 19.7555 light-years, class M0 V
BY Draconis: 19.8725 light-years, class K6e V
Eggen/Greenstein white dwarf 277: 19.9913 light-years, class DAV5 wd