Island in English Channel Further from France than England

Problem

 * There is a certain island, situated between and ,
 * and yet, that island is farther from than  is.

Solution
At their closest point, and  are $34$ kilometres apart.

The, the body of water which lies between and  is considerably wider than that through most of its length.

, for example, one of the, is about $42$ kilometres from , but well and truly in the between  and.

The is also between  and, and considerably further away from  than  is.