| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Illarionov | city | Rostovskaya Oblast' | Russia | 49.14 | 42.00 | 269 | 745 |
| Illarionovka | city | Severnaya Osetiya-Alaniya | Russia | 43.37 | 44.29 | 1669 | 5394 |
| Illarionovka | city | Saratovskaya Oblast' | Russia | 52.00 | 44.70 | 830 | 544 |
| Illarionovka | city | Krasnodarskiy Kray | Russia | 43.60 | 39.90 | 984 | 6502 |
| Illarionovka | city | Penzenskaya Oblast' | Russia | 52.70 | 44.80 | 830 | 1445 |
| Illarionovka | city | Tatarstan | Russia | 55.60 | 53.41 | 262 | 1305 |
| Illarionovo | city | Nizhegorodskaya Oblast' | Russia | 55.05 | 45.15 | 830 | 894 |
| Illarionovo | city | Vladimirskaya Oblast' | Russia | 56.34 | 40.22 | 830 | 298 |
| Illarionovskiy | city | Volgogradskaya Oblast' | Russia | 48.75 | 43.73 | 265 | 721 |
| Illarionovskoye | city | Severnaya Osetiya-Alaniya | Russia | 43.37 | 44.29 | 1669 | 5394 |
| Illarionoyka | city | Kurskaya Oblast' | Russia | 51.98 | 36.90 | 830 | 310 |
| Illariunovka | city | Krasnodarskiy Kray | Russia | 43.60 | 39.90 | 984 | 6502 |
| Illegin | city | Sakha (Yakutiya) | Russia | 60.08 | 111.88 | 1007 | 0 |
| Illekarga | city | Omskaya Oblast' | Russia | 56.32 | 74.45 | 321 | 596 |
| Illiino | city | Kaluzhskaya Oblast' | Russia | 55.26 | 36.59 | 830 | 7731 |
| Illiodorovka | city | Rostovskaya Oblast' | Russia | 48.96 | 40.63 | 308 | 149 |
| Illovayskoye | city | Kaliningradskaya Oblast' | Russia | 54.97 | 22.51 | 108 | 745 |
| Illyalo | city | Kareliya | Russia | 61.54 | 32.65 | 252 | 0 |
| Illyunskaya | city | Sakha (Yakutiya) | Russia | 59.72 | 118.10 | 830 | 0 |