"Where'd You Go" was a commercial success, and reached numerous top 40 peaks in various charts worldwide. It spent twenty weeks on the US
Billboard Hot 100 and peaked at number four on June 10, 2006, making Fort Minor's first and only single to peak within the top 40, as well as the first single to reach the top ten on the chart. On June 17, 2006, "Where'd You Go" reached number two on the US
Billboard Pop Songs chart. In 2009, "Where'd You Go" was certified platinum by the
RIAA, denoting shipments of over a million copies. "Where'd You Go" ranked at number forty-three on
Billboard magazine's Hot 100 songs of 2006. "Where'd You Go" was also successful internationally. In Canada, the single peaked at number seven on the Canadian Digital Songs Chart and number two on
Radio & Records' Canada CHR/Pop chart. In the Czech Republic, the song debuted at No. 45 at the
International Federation of the Phonographic Industry chart. The single rose to No. 39, entering the top 40 at its second week. At its third week, the single reached the No. 20 spot. It eventually peaked at number two on the chart at its fifteenth week. The single spent forty-six weeks on the chart. In Belgium, the song peaked at number five and charted for six weeks. In Finland, the song debuted at No. 8 on the chart, but dropped to No. 15 at the following week, before falling off the chart. In the Netherlands, the song debuted at
Dutch Top 40 chart at number thirty-three. In its second charting week, the song boosted up to number twenty-four, and went to number thirteen at its third week. The song reached its peak at number ten on its fourth week. The song spent fourteen weeks on the chart. In New Zealand, the song debuted on the
New Zealand Singles Chart at No. 24 on April 24, 2006, and peaked at No. 14 the following week. The song spent seven weeks before falling off the top 40. In France, the song debuted and peaked at number twenty-four on October 28, 2006. The song spent ten weeks in the chart. In Austria, the song debuted at No. 43 in the week of April 28, 2006, rising to the top 40 in its second week at No. 34. In its fourth week, "Where'd You Go" peaked at No. 29. ==Music video==