After turning pro, Durno spent time in the ECHL with the Gwinnett Gladiators and the Milwaukee Admirals of the American Hockey League (AHL).

After being invited to the Chicago Blackhawks training camp for the start of the 2006–07 season, Durno was signed on September 25, 2006, and assigned to the affiliate, the Norfolk Admirals.

[citation needed] On December 28, 2006, Durno was traded along with Sébastien Caron and Matt Keith to the Anaheim Ducks in exchange for Bruno St. Jacques and P. A.

[8] Moving back and forth between the Avs and the Monsters for much of the first half of the 2009–10 campaign, Durno finally scored his first NHL goal on December 26, 2009, against Alex Auld of the Dallas Stars in front of a sold-out crowd at the Pepsi Center, a game the Avalanche won 4–1.

[citation needed] Durno signed a one-year contract with the Carolina Hurricanes on July 15, 2011, and was assigned to their AHL affiliate, the Charlotte Checkers.