| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Kostlevo | city | Ivanovskaya Oblast' | Russia | 56.61 | 42.13 | 364 | 1490 |
| Kostlivoje | city | Nizhegorodskaya Oblast' | Russia | 57.91 | 45.88 | 305 | 447 |
| Kostlivoye | city | Nizhegorodskaya Oblast' | Russia | 57.91 | 45.88 | 305 | 447 |
| Kostlivtsevo | city | Samarskaya Oblast' | Russia | 53.48 | 51.05 | 387 | 298 |