| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Puerto Obregon | city | Tabasco | Mexico | 18.53 | -92.65 | 3 | 19702 |
| Puerto Obscuro | city | Hidalgo | Mexico | 21.29 | -98.98 | 1669 | 13651 |
| Puerto Obscuro | city | Hidalgo | Mexico | 21.15 | -98.95 | 4189 | 10494 |
| Puerto Obscuro | city | Chihuahua | Mexico | 26.67 | -107.91 | 3503 | 601 |
| Puerto Obscuro | city | Guerrero | Mexico | 18.63 | -99.80 | 7857 | 5360 |
| Puerto Ocuca | city | Sonora | Mexico | 30.60 | -111.53 | 1896 | 0 |
| Puerto Ojo de León | city | San Luis Potosi | Mexico | 22.43 | -99.56 | 5029 | 6728 |
| Puerto Oriente | city | Tamaulipas | Mexico | 26.30 | -98.95 | 328 | 1687 |
| Puerto Oscuro | city | Mexico | Mexico | 18.67 | -99.79 | 7709 | 5859 |