Olympiakos and Bayer Leverkusen reached the last 16 of the Champions League with victories Tuesday while the Juventus-Galatasaray game was abandoned because of a snowstorm.
Match officials stopped play after 31 minutes in Istanbul because of a dangerous field. The last hour will be played on Wednesday, kicking off at 3 p.m. local time.
Olympiakos beat eight-man Anderlecht 3-1 to advance and edge two-time champion Benfica, whose 2-1 victory over Paris Saint-Germain was not enough.
Leverkusen won 1-0 at Real Sociedad to finish behind Group A winner Manchester United, which beat Shakhtar Donetsk 1-0.
Cristiano Ronaldo scored a record ninth goal in group play as Real Madrid beat Copenhagen 2-0. Manchester City rallied to beat defending champion Bayern Munich 3-2.
"We're first in the group, the team played very well on a very bad pitch," Ronaldo said. "I scored a goal and I'm happy that I can help the team."
Manchester City got a victory over a European heavyweight, coming from behind to win 3-2 at Bayern Munich to end the defending champion's record winning streak at 10 games.
City fell one goal shy of taking Group D over Bayern on head-to-head results after the clubs finished tied on 15 points.
Bayern took a 2-0 lead by the 12th minute at the Allianz Arena before David Silva began the rally with a 28th-minute goal.
City was inspired by the Spain midfielder and, after Aleksandar Kolarov equalized from the penalty spot, James Milner side footed home a low shot to secure the win in the 62nd.
"This is a very important result for us," City coach Manuel Pellegrini said.
In Manchester, Phil Jones scored in the 67th minute at Old Trafford as United continued to find its form in Europe while it struggles domestically.
United's victory helped Leverkusen, which won through Omer Toprak's second-half goal, as it sent Shakhtar to a place in the Europa League after finishing third in the group.
Benfica joins Shakhtar in Europe's second-tier competition despite rallying from Edinson Cavani's 37th-minute opener for Group C winner Paris Saint-Germain.
Lima converted a penalty on the stroke of halftime and Nicolas Gaitan scored from Maxi Pereira's diverted cross in the 58th, but the result wasn't enough for the Portuguese team because of the result across the continent in Greece.