On 23 October, the fifth meeting of the Lithuanian-Georgian Commission for European and Euro-Atlantic Integration took place in Vilnius. It was chaired by the Ministers of Foreign Affairs of both countries – Linas Linkevičius and David Zalkaliani.

On 18 October in Vilnius, the Minister of Foreign Affairs of Lithuania Linas Linkevičius received Permanent Representatives to NATO of countries contributing to the enhanced forward presence battalion in Lithuania. They discussed Lithuania's efforts to strengthen its own security and the implementation of the Alliance‘s initiatives in the field of collective defense and deterrence that had been agreed upon.

On 16 October, the Minister of Foreign Affairs of Lithuania Linas Linkevičius met with Maroš Šefčovič, Vice-President of the European Commission for Energy Union. In the meeting, Lithuania‘s Foreign Minister thanked him for lending support to the project of the synchronization of the Baltic states' electricity network with the European system, welcomed the regional agreement on the beginning of its implementation, and discussed further steps.

On 15 October, the Minister of Foreign Affairs of Lithuania Linas Linkevičius participated in the Eastern Partnership Foreign Ministers meeting, which brought together 28 EU foreign ministers and their counterparts from the 6 Eastern Partnership countries in Luxembourg.

On 12 October, the Minister of Foreign Affairs of Lithuania Linas Linkevičius met with the Ambassador of the Slovak Republic Ladislav Babčan. The Slovak Ambassador presented his letters of credence to the President of Lithuania Dalia Grybauskaitė on the same day.

On 9 October, the Minister of Foreign Affairs of Lithuania Linas Linkevičius met with representatives of the Armenian authorities and non-governmental organizations at the Ministerial Conference of the International Organisation of La Francophonie in Yerevan. Meetings with the Prime Minister of Armenia Nikol Pashinyan, the Speaker of the National Assembly of Armenia Ara Babloyan and the Foreign Minister of Armenia Zohrab Mnatsakanyan focused on recent developments in Armenia, the country's cooperation with the European Union, the situation in the South Caucasus, and other relevant issues.

On 8-20 October, the International Atomic Energy Agency (IAEA) is conducting the Emergency Preparedness Review Service's mission in Belarus to review the country‘s emergency preparedness capabilities and its compliance with the IAEA's safety standards.

On 8 October, the Ministry of Foreign Affairs of Lithuania summoned the Ambassador of Russia to Lithuania Alexander Udaltsov. Lithuania‘s Foreign Vice-Minister Albinas Zananavičius voiced his strong protest over the Russian Foreign Ministry‘s false statement about Adolfas Ramanauskas-Vanagas (aka Hawk) on the eve of his funeral.

On 3 October Lithuanian Minister of Foreign Affairs, Linas Linkevičius, congratulated Minister of Foreign Affairs of Germany, Heiko Maas, on the Day of German Unity and expressed wishes of well-being and prosperity to the people of Germany.

On 1 October, the Ministry of Foreign Affairs of the Republic of Lithuania announced a Call to submit applications for the implementation of development cooperation projects under the Development Cooperation and Democracy Promotion Programme in 2019.