To convert miles into yards, you can use the conversion factor that 1 mile is equal to 1,760 yards.
So, to convert 2.3 miles into yards:
\[ 2.3 \text{ miles} \times 1,760 \text{ yards/mile} = 4,048 \text{ yards} \]
Therefore, 2.3 miles is equal to 4,048 yards.