@Treeandcathugger , no, this option is not available. You can change your location to the place you are looking to sit in the hopes that a local HO might send you an invitation. This has come up before:
https://forum.trustedhousesitters.com/t/matchmaking/
https://forum.trustedhousesitters.com/t/is-there-a-way-to-find-sitters-who-want-to-visit-your-area/