The talks, held on 10 and 11 November, were the first attempt since February to negotiate an end to Russia’s war in Ukraine.
Delegations discussed security guarantees and the post-war future of Ukraine, according to Ukrainian sources.
Jared Kushner, one of the US negotiators, said "the largest prisoner exchange of the war" would take place soon.
He said territory was among the hardest issues, but he believed a way to resolve it would be found alongside the others.
In his view, post-war security arrangements could not be put in place until a deal on land is reached.
Russia has consistently demanded that Ukraine hand over all of the Donbas region, including areas it has failed to capture in more than four years of fighting.
Ukrainian President Volodymyr Zelensky said Kyiv’s priority was to end the war as quickly as possible through a "dignified peace."
He said Europe should be represented at every stage of real diplomacy, and that the US must keep a strong position to press Russia to stop the war.
Rustem Umerov, who led Ukraine’s delegation, said both sides had been able to set out their positions directly, but that "significant differences remain" and there was "a great deal of difficult work ahead."
Russia’s delegation was led by Vladimir Medinsky, one of President Vladimir Putin’s closest advisers.
Another member of the Ukrainian team, David Arakhamia, said it was one of the toughest rounds of talks, with the Russian side arriving with very rigid instructions.
He nonetheless called the meeting a success, saying that six months ago Kyiv had not expected trilateral talks to resume before spring.
He said it gave "good momentum" to find a solution before the end of the year.
Kushner and fellow US envoy Steve Witkoff will now travel to Moscow to meet Putin, before going to Dublin for talks with Zelensky.
(ał)
Source: PAP, IAR