| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Jablonevka | city | Kaliningradskaya Oblast' | Russia | 54.60 | 20.44 | 65 | 6272 |
| Jablonovka | city | Kaliningradskaya Oblast' | Russia | 54.70 | 20.91 | 52 | 2682 |
| Jaenischken | city | Kaliningradskaya Oblast' | Russia | 54.54 | 21.73 | 150 | 401 |
| Jagdhaus Rominten | city | Kaliningradskaya Oblast' | Russia | 54.36 | 22.55 | 830 | 1194 |
| Jagodnoje | city | Kaliningradskaya Oblast' | Russia | 54.45 | 22.67 | 830 | 1228 |
| Janaičiai | city | Kaliningradskaya Oblast' | Russia | 54.90 | 20.71 | 55 | 268 |
| Janichen | city | Kaliningradskaya Oblast' | Russia | 54.54 | 21.73 | 150 | 401 |
| Jantarnas | city | Kaliningradskaya Oblast' | Russia | 54.87 | 19.94 | 160 | 129 |
| Jantarni | city | Kaliningradskaya Oblast' | Russia | 54.87 | 19.94 | 160 | 129 |
| Jantarnija | city | Kaliningradskaya Oblast' | Russia | 54.87 | 19.94 | 160 | 129 |
| Jantarny | city | Kaliningradskaya Oblast' | Russia | 54.87 | 19.94 | 160 | 129 |
| Jantarnyj | city | Kaliningradskaya Oblast' | Russia | 54.87 | 19.94 | 160 | 129 |
| Jaroslavskoe | city | Kaliningradskaya Oblast' | Russia | 54.78 | 20.71 | 127 | 1905 |
| Jasnaja Poliana | city | Kaliningradskaya Oblast' | Russia | 54.57 | 22.45 | 295 | 1192 |
| Jasnaja Poljana | city | Kaliningradskaya Oblast' | Russia | 54.57 | 22.45 | 295 | 1192 |
| Jasnaja-Poljana | city | Kaliningradskaya Oblast' | Russia | 54.57 | 22.45 | 295 | 1192 |
| Jasnoe | city | Kaliningradskaya Oblast' | Russia | 55.17 | 21.54 | 29 | 1341 |
| Jasnojė | city | Kaliningradskaya Oblast' | Russia | 55.17 | 21.54 | 29 | 1341 |
| Jentkutkampen | city | Kaliningradskaya Oblast' | Russia | 54.72 | 22.45 | 301 | 1145 |
| Jerubiškės | city | Kaliningradskaya Oblast' | Russia | 54.84 | 22.64 | 206 | 745 |
| Jerzmanowa | city | Kaliningradskaya Oblast' | Russia | 54.43 | 20.17 | 360 | 493 |
| Jesau | city | Kaliningradskaya Oblast' | Russia | 54.55 | 20.60 | 91 | 21156 |
| Jocken | city | Kaliningradskaya Oblast' | Russia | 54.66 | 22.70 | 262 | 2828 |
| Jodlauken | city | Kaliningradskaya Oblast' | Russia | 54.50 | 21.68 | 150 | 826 |
| Jokehnen | city | Kaliningradskaya Oblast' | Russia | 54.66 | 22.70 | 262 | 2828 |
| Joneikiškiai | city | Kaliningradskaya Oblast' | Russia | 55.08 | 21.61 | 32 | 1341 |
| Joneiten | city | Kaliningradskaya Oblast' | Russia | 55.14 | 21.46 | 32 | 1341 |
| Juknaitė | city | Kaliningradskaya Oblast' | Russia | 54.97 | 22.51 | 108 | 745 |
| Jungferndorf | city | Kaliningradskaya Oblast' | Russia | 54.71 | 20.67 | 72 | 23419 |
| Juodlaukiai | city | Kaliningradskaya Oblast' | Russia | 54.50 | 21.68 | 150 | 826 |
| Juodžynai | city | Kaliningradskaya Oblast' | Russia | 54.38 | 22.04 | 830 | 1498 |
| Jurgaitschen | city | Kaliningradskaya Oblast' | Russia | 54.96 | 21.83 | 75 | 298 |
| Jurgaitschen, Königskirch | city | Kaliningradskaya Oblast' | Russia | 54.96 | 21.83 | 75 | 298 |
| Jurgenava | city | Kaliningradskaya Oblast' | Russia | 54.44 | 20.92 | 131 | 1192 |
| Jurgivaldė | city | Kaliningradskaya Oblast' | Russia | 54.94 | 20.11 | 160 | 188 |
| Juschny | city | Kaliningradskaya Oblast' | Russia | 54.55 | 20.60 | 91 | 21156 |
| Juventai | city | Kaliningradskaya Oblast' | Russia | 54.78 | 20.86 | 62 | 783 |
| Juvintas | city | Kaliningradskaya Oblast' | Russia | 54.93 | 21.25 | 36 | 1093 |
| Juwendt | city | Kaliningradskaya Oblast' | Russia | 54.78 | 20.86 | 62 | 783 |
| Juzjnyj | city | Kaliningradskaya Oblast' | Russia | 54.55 | 20.60 | 91 | 21156 |
| Južnas | city | Kaliningradskaya Oblast' | Russia | 54.55 | 20.60 | 91 | 21156 |
| Jänischken | city | Kaliningradskaya Oblast' | Russia | 54.54 | 21.73 | 150 | 401 |
| Jürkendorf, Gnadenthal | city | Kaliningradskaya Oblast' | Russia | 54.47 | 20.03 | 282 | 218 |
| Jędrzychowo | city | Kaliningradskaya Oblast' | Russia | 55.04 | 21.68 | 42 | 1240 |