In the United States, "Come Back to Me" made its debut at number 79 on the Billboard Hot 100 in the issue dated September 30, 2006. The song ascended and descended on the chart for several weeks before reaching its peak position of number 55, in the issue dated December 9, 2006. It also peaked at number 44 on the Hot Digital Songs chart, number 40 on the Hot Digital Tracks, number 18 on the Mainstream Top 40, number 22 on Pop 100 Airplay, number 28 on the Pop 100 and number 63 on Radio Songs. Across Europe, "Come Back to Me" fared better on the charts and peaked at number 43 on European Hot 100 Singles. In France, it peaked at number 12 and remained on the chart for a total of 25 weeks before falling off. In Italy, it debuted at number eight, which became its peak position, and stayed on the chart for two weeks. The song achieved its highest peak position in New Zealand, where it reached number six and spent five weeks in the top ten. In total, it appeared on the chart for 17 weeks. The song also peaked at number 36 in Australia, number 58 in Germany and number 100 on the UK Singles Chart.
