"I believe it is important in Afghanistan to invest in the conditions to create a political solution. I believe that is possible," Guterres told reporters at the UN headquarters in New York.
He was responding to a question on resolving the lingering crisis in Afghanistan.
"I don't think there is a military solution to the crisis in Afghanistan, as I don't think there is a military solution for practically any crisis in the world," he said.
"Even when the US have announced their surge, they were also saying that they believe a political solution is necessary," he said.
"So, it is clear for me that, independently of short-term measures that might be taken, the political solution is the long-term road that we need all to move on," Guterres said.