With Virtus, he won Europe's third-tier level continental-wide basketball clubs competition, the EuroChallenge championship, and he was named the MVP of the Final Four.

In June 2009, Langford signed a two-year, million net income contract with the Russian team Khimki Moscow Region which played in the EuroLeague.

[3][4] In March 2011, he signed a four-year contract extension with Khimki, worth a guaranteed million in net income (after taxes).

[6] On October 21, 2011, Langford signed a one-year contract with the Israeli League champions Maccabi Tel Aviv.

[9] In July 2012 he signed a two-year deal with Emporio Armani Milano worth €2.5 million euros net income.

[10] In his second season with the team, he led Milano to the EuroLeague playoff series against Maccabi Tel Aviv.

Milan led by 12 points with about 2 minutes remaining in game 1, but Maccabi was able to tie the score a few seconds before the final buzzer.

[21] On March 18, 2018, Langford returned to Israel for a second stint, signing with Maccabi Rishon Lezion for the rest of the season.

[22] On March 26, 2018, he made his debut in a 97–91 win over Bnei Herzliya, recording 20 points, 5 rebounds, 5 assists and 2 steals off the bench.

[26] On June 14, 2019, Langford won the Greek Basket League championship with Panathinaikos, after sweeping the play-off final series against Promitheas Patras.

[30] On May 23 of the same year, Langford was ruled out for the remainder of the Greek Basket League playoffs after relapsing on a previous injury, thus bringing his second stint with the club to an unceremonious end (he appeared in a total of only four games).

[31] Langford represented the United States national team at the 2015 Pan American Games, where he won a bronze medal.