Councillor Tim Koschel said the council has yet to have a clear discussion about its sister city connections with Leavenworth, Kunming and Nordlingen since the matter rear its head about 10 months ago.

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The sister city movement has reached many continents, with goal of building an understanding between two culturally diverse communities.

Since these links were first established, however Cr Koschel has questioned whether it still has the same intention or has it become a "good political handshaking exercise" instead.

With this in mind, he said the council should perhaps look closer to home and find friendships between other regional towns across the country.

"I would love to see sister cities with regional towns in Western Australia or South Australia where we could work on growing and supporting each other," he said.

"I think the benefit would be greater compared to an international one ... in my opinion."

Cr Koschel said the council has proven with its Sydney office initiative that cross-working relationships with other local government areas brings positive outcomes for Wagga.

"If we have a sister city that is larger than us, we can use their resources, as well as have links to some smaller towns who can lean on us for support," he said.

"It can develop into a cohesive working relationship."

Sister Cities Australia secretary Mike Jakins said there could be an opportunity for Wagga to use its ambition to grow its population to 100,000 residents by 2038 as a starting point if it decided to seek out an affiliation with another Australian town.

"If it is their drive to build up Wagga and attract people to the area, there are other places in Australia that have done that and are doing that," he said.

"The council could target somewhere in Australia that could help drive this and provide thoughts, ideas and input in reaching that goal."

Mr Jakins said domestic sister city relationships work just as effectively as those international links.

"The ones that seem to work well is ones between a rural and regional local government authority ... with a difference in demographic and size," he said.