The visit comes as the Kyrgyz officials at home continue work to resolve a deadlock over the acceptance of ousted Kyrgyz President Askar Akaev's resignation.
Otunbaeva is due to meet her Russian counterpart Sergei Lavrov tomorrow.
Upon her arrival in the Russian capital, Otunbaeva said she does not have any plans to meet with Akaev, who fled to Moscow after his 24 March ouster.
Although Akaev formally tendered his resignation to Kyrgyz parliamentary deputies in Moscow on 4 April, it will not take effect until deputies vote to formally accept it.
Kyrgyzstan's interim leader said today that parliament is unlikely to accept Akaev's resignation until later this week, at the earliest.
Acting President Kurmanbek Bakiev said on Russian television today that lawmakers are discussing the status of Akaev's property and that of his family. He said Kygyz deputies will most likely debate the issue for several more days.
Bakiev said a parliamentary commission had been set up to examine all the assets owned by Akaev and his family.
Business leaders have accused Akaev's family -- including his daughter and son -- of grabbing control over profitable enterprises and rigging deals to make money.
Akaev fled after weeks of unrest over disputed parliamentary polling boiled over and protesters overran the main seat of government in Bishkek on 24 March.
(afp)[For an archive of stories and background on recent events in Kyrgyzstan, click here.]