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| H | Servette FC | - | KSK Beveren | 3:1 (1:1) | ||
| R | KSK Beveren | - | Servette FC | 1:1 (1:1) | ||
| H: 19.09.1979 | R: 03.10.1979 | Sieger: Servette FC | ||||
| H | Argeș Pitești | - | AEK Athen | 3:0 (0:0) | ||
| R | AEK Athen | - | Argeș Pitești | 2:0 (2:0) | ||
| H: 19.09.1979 15:45 | R: 03.10.1979 19:30 | Sieger: Argeș Pitești | ||||
| H | Levski Sofia | - | Real Madrid | 0:1 (0:1) | ||
| R | Real Madrid | - | Levski Sofia | 2:0 (2:0) | ||
| H: 19.09.1979 16:15 | R: 03.10.1979 21:00 | Sieger: Real Madrid | ||||
| H | FK Partizani | - | Celtic FC | 1:0 (1:0) | ||
| R | Celtic FC | - | FK Partizani | 4:1 (4:1) | ||
| H: 19.09.1979 16:30 | R: 03.10.1979 20:30 | Sieger: Celtic FC | ||||
| H | IK Start | - | RC Strasbourg | 1:2 (0:1) | ||
| R | RC Strasbourg | - | IK Start | 4:0 (2:0) | ||
| H: 19.09.1979 16:45 | R: 03.10.1979 20:30 | Sieger: RC Strasbourg | ||||
| H | BFC Dynamo | - | Ruch Chorzów | 4:1 (3:0) | ||
| R | Ruch Chorzów | - | BFC Dynamo | 0:0 (0:0) | ||
| H: 19.09.1979 17:00 | R: 03.10.1979 | Sieger: BFC Dynamo | ||||
| H | HJK Helsinki | - | AFC Ajax | 1:8 (0:4) | ||
| R | AFC Ajax | - | HJK Helsinki | 8:1 (4:0) | ||
| H: 19.09.1979 18:00 | R: 03.10.1979 20:15 | Sieger: AFC Ajax | ||||
| H | Újpesti Dózsa SC | - | ASVS Dukla Praha | 3:2 (1:1) | ||
| R | ASVS Dukla Praha | - | Újpesti Dózsa SC | 2:0 (1:0) | ||
| H: 19.09.1979 18:00 | R: 03.10.1979 17:00 | Sieger: ASVS Dukla Praha | ||||
| H | Hajduk Split | - | Trabzonspor | 1:0 (0:0) | ||
| R | Trabzonspor | - | Hajduk Split | 0:1 (0:1) | ||
| H: 19.09.1979 19:00 | R: 03.10.1979 13:00 | Sieger: Hajduk Split | ||||
| H | Red Boys Differdange | - | Omonia Nikosia | 2:1 (1:1) | ||
| R | Omonia Nikosia | - | Red Boys Differdange | 6:1 (4:1) | ||
| H: 19.09.1979 19:30 | R: 03.10.1979 18:30 | Sieger: Omonia Nikosia | ||||
| H | Vejle BK | - | Austria Wien | 3:2 (2:1) | ||
| R | Austria Wien | - | Vejle BK | 1:1 (0:1) | ||
| H: 19.09.1979 19:30 | R: 03.10.1979 19:00 | Sieger: Vejle BK | ||||
| H | Valur Reykjavík | - | Hamburger SV | 0:3 (0:2) | ||
| R | Hamburger SV | - | Valur Reykjavík | 2:1 (0:0) | ||
| H: 19.09.1979 20:15 | R: 03.10.1979 18:00 | Sieger: Hamburger SV | ||||
| H | Nottingham Forest | - | Östers IF | 2:0 (0:0) | ||
| R | Östers IF | - | Nottingham Forest | 1:1 (0:0) | ||
| H: 19.09.1979 20:30 | R: 03.10.1979 19:30 | Sieger: Nottingham Forest | ||||
| H | Liverpool FC | - | Dinamo Tbilisi | 2:1 (2:1) | ||
| R | Dinamo Tbilisi | - | Liverpool FC | 3:0 (0:0) | ||
| H: 19.09.1979 20:30 | R: 03.10.1979 17:00 | Sieger: Dinamo Tbilisi | ||||
| H | Dundalk FC | - | Hibernians FC | 2:0 (1:0) | ||
| R | Hibernians FC | - | Dundalk FC | 1:0 (0:0) | ||
| H: 19.09.1979 21:00 | R: 26.09.1979 14:30 | Sieger: Dundalk FC | ||||
| H | FC Porto | - | AC Milan | 0:0 (0:0) | ||
| R | AC Milan | - | FC Porto | 0:1 (0:0) | ||
| H: 19.09.1979 22:30 | R: 03.10.1979 21:00 | Sieger: FC Porto | ||||
