This study examines the Itinerary of Goryeo Embassy to Khitan, focusing on the destination and travel route. As Khitan maintained a nomadic lifestyle, emperor traveled seasonally conducing Nabo. Due to this government system, Goryeo envoys to Khitan did not always visit to one set destination. It is found that Goryeo envoys visited various places such as Five Capitals (ไบไบฌ), Guangping Lake (ๅปฃๅนณๆท), Qingzhou (ๆ ถๅท), and Mt. Yongan (ๆฐธๅฎๅฑฑ), etc. in their diplomatic trips to Khitan.
 First, Goryeo envoys with various purposes visited the Central Capital often in winter as Emperor Shenzong held winter nabo there during his reign. On the other hand, Goryeo envoys went to the Southern Capital in various seasons. From the Eastern Capital, there was a travel route to the Central Capital passing through the Liaoxi area. From the Eastern Capital to the Southern Capital, there was one route along the Bohai bay and another path going through the Central Capital. Of the two, the coastal route was the faster than the inland route.
 Second, Goryeo envoys visited places in the Supreme Circuit more frequently. As winter nabo was mainly conducted in Guangping Lake near Yongzhou (ๆฐธๅท), diverse regular and special envoys headed there. When there was a state funeral of emperor or empress dowager, Goryeo envoys went to Qingzhou to express condolence. In addition, the destination of Goryeo envoys arrival was related to the specific time as the emperor moved every season for nabo. While regular envoys for celebrating New Year and Brithday of an emperor or empress dowager were sent at the end of year, special envoys were dispatched to various destinations as the occasion demands.
 Regarding the travel route, it is assumed that there is one route passing through the Central Capital and another one to the north and along the rivers. However, these presumed routes have limitation as they detoured to the Supreme Circuit. Because there were frequent exchange of envoys between the two, it is presumed that there was a direct route from the Eastern Capital. For the travel of diplomatic trips, it generally took about two to three months. These diplomatic trips to the various destinations was meaningful in that they helped the Goryeo people to increase understanding of the Khitan state and people, which provided the foundation of stable relations between the two states.