In addition to their upcoming shows with Against Me!, O Pioneers!!! have kicked off a run of US dates which will feature shows with Lemuria, Ted Leo And The Pharmacists and more.
| November 23, 2009 | Hattiesburg, MI | 1126 House | |
| November 24, 2009 | Chattanooga, TN | Antarctica | |
| November 25, 2009 | Tallahassee, FL | Coolifornia House | |
| November 26, 2009 | Tampa, FL | Skatepark of Tampa | |
| November 27, 2009 | Gainesville, FL | The Kickstand | |
| November 28, 2009 | Wilmington, NC | The Soapbox Laundrolounge | |
| November 29, 2009 | Richmond, VA | The Camel | |
| December 1, 2009 | Philadelphia, PA | AVA House | |
| December 2, 2009 | Asbury Park, NJ | Asbury Lanes | |
| December 3, 2009 | Queens, NY | The Hi 5 Bar | |
| December 4, 2009 | Lowell, MA | Cumnock Hall | Ted Leo and the Pharmacists, Polar Bear Club |
| December 5, 2009 | Montreal, QB | Le Piranha Bar | |
| December 6, 2009 | Toronto, ON | Rancho Relaxo | |
| December 7, 2009 | St. Catherines, ON | 73 | |
| December 8, 2009 | Lansing, MI | B414 | Spanish Gamble |
| December 9, 2009 | Chicago, IL | Ronny's | |
| December 10, 2009 | Lincoln, NE | The Ghost House | |
| December 11, 2009 | Denver, CO | Marquis Theater | |
| December 12, 2009 | Salt Lake City, UT | Boing Collective | |
| December 13, 2009 | Moscow, ID | The Animal Hospital | |
| December 14, 2009 | Seattle, WA | TBA | |
| December 15, 2009 | Portland, WA | Zombie House | |
| December 17, 2009 | Los Angeles, CA | Spaceland | Against Me! and Roll The Tanks |
| December 18, 2009 | Santa Barbara, CA | Velvet Jones | Against Me! and Roll The Tanks |
| December 19, 2009 | Los Angeles, CA | The Troubadour | Against Me! and Roll The Tanks |
| December 22, 2009 | Phoenix, AZ | The Trunk Space | |
| January 4, 2010 | Houston, TX | The Mink | Lemuria |
| January 5, 2010 | Austin, TX | Red 7 | Lemuria |
| January 6, 2010 | Fort Worth, TX | 1919 Hemphill | Lemuria |
| January 7, 2010 | Little Rock, AR | TBA | Lemuria |
| January 8, 2010 | Nashville, TN | TBA | Lemuria |