The distane between two towns can be determined as,
[tex]\begin{gathered} 4\text{ cm=52 miles} \\ 1\text{ cm=}\frac{52\text{ miles}}{4} \\ =13\text{ miles} \\ 22\text{ cm=22}\times13\text{ miles} \\ =286\text{ miles} \end{gathered}[/tex]Thus, the required distance is 286 miles.