| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ruben Cepeda | city | Tamaulipas | Mexico | 23.86 | -97.79 | 6 | 391 |
| Ruben Jaramillo | city | Tamaulipas | Mexico | 22.80 | -99.09 | 272 | 7068 |
| Ruiz Cortines | city | Tamaulipas | Mexico | 22.62 | -98.46 | 180 | 894 |
| Rusias | city | Tamaulipas | Mexico | 25.91 | -97.55 | 26 | 119110 |