She is looking for someone who lives closer to her.
Long distance relationships can be very hard to maintain.
Being that you aren’t in the same physical vicinity as your long distance girlfriend, it can get really hard for her not to have someone close by that she can turn to when she is emotionally in need.
The fact that you live so far away from them becomes a mute point when they haven’t been having much luck in finding suitable people to date in their local area.
Their initial goal when joining online dating sites may have been to find romantic partners that lived near them or in their area.
However, they may have tried to interact with local dating prospects on online dating sites to no avail.