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| 1st(1st leg) | Lokomotiv Sofia | - | RSC Anderlecht | 1:6 (0:4) | ||
| 2nd (2nd leg) | RSC Anderlecht | - | Lokomotiv Sofia | 2:0 (1:0) | ||
| 1st(1st leg): 13/09/1977 | 2nd (2nd leg): 28/09/1977 | Winner: RSC Anderlecht | ||||
| 1st(1st leg) | Beşiktaş | - | Diósgyöri VTK | 2:0 (1:0) | ||
| 2nd (2nd leg) | Diósgyöri VTK | - | Beşiktaş | 5:0 (3:0) | ||
| 1st(1st leg): 14/09/1977 | 2nd (2nd leg): 28/09/1977 | Winner: Diósgyöri VTK | ||||
| 1st(1st leg) | Rangers FC | - | FC Twente '65 | 0:0 (0:0) | ||
| 2nd (2nd leg) | FC Twente '65 | - | Rangers FC | 3:0 (2:0) | ||
| 1st(1st leg): 14/09/1977 | 2nd (2nd leg): 28/09/1977 | Winner: FC Twente '65 | ||||
| 1st(1st leg) | 1. FC Köln | - | FC Porto | 2:2 (1:0) | ||
| 2nd (2nd leg) | FC Porto | - | 1. FC Köln | 1:0 (0:0) | ||
| 1st(1st leg): 14/09/1977 | 2nd (2nd leg): 28/09/1977 | Winner: FC Porto | ||||
| 1st(1st leg) | Hamburger SV | - | FC Reipas Lahti (old) | 8:1 (4:0) | ||
| 2nd (2nd leg) | FC Reipas Lahti (old) | - | Hamburger SV | 2:5 (0:1) | ||
| 1st(1st leg): 14/09/1977 | 2nd (2nd leg): 28/09/1977 | Winner: Hamburger SV | ||||
| 1st(1st leg) | Dundalk FC | - | Hajduk Split | 1:0 (0:0) | ||
| 2nd (2nd leg) | Hajduk Split | - | Dundalk FC | 4:0 (1:0) | ||
| 1st(1st leg): 14/09/1977 | 2nd (2nd leg): 28/09/1977 | Winner: Hajduk Split | ||||
| 1st(1st leg) | Real Betis | - | AC Milan | 2:0 (1:0) | ||
| 2nd (2nd leg) | AC Milan | - | Real Betis | 2:1 (1:0) | ||
| 1st(1st leg): 14/09/1977 | 2nd (2nd leg): 28/09/1977 | Winner: Real Betis | ||||
| 1st(1st leg) | Coleraine FC | - | 1. FC Lokomotive Leipzig | 1:4 (0:3) | ||
| 2nd (2nd leg) | 1. FC Lokomotive Leipzig | - | Coleraine FC | 2:2 (2:1) | ||
| 1st(1st leg): 14/09/1977 | 2nd (2nd leg): 28/09/1977 | Winner: 1. FC Lokomotive Leipzig | ||||
| 1st(1st leg) | PAOK Saloniki | - | Zagłębie Sosnowiec | 2:0 (1:0) | ||
| 2nd (2nd leg) | Zagłębie Sosnowiec | - | PAOK Saloniki | 0:2 (0:0) | ||
| 1st(1st leg): 14/09/1977 | 2nd (2nd leg): 28/09/1977 | Winner: PAOK Saloniki | ||||
| 1st(1st leg) | Progrès Niedercorn | - | Vejle BK | 0:1 (0:0) | ||
| 2nd (2nd leg) | Vejle BK | - | Progrès Niedercorn | 9:0 (3:0) | ||
| 1st(1st leg): 14/09/1977 | 2nd (2nd leg): 28/09/1977 | Winner: Vejle BK | ||||
| 1st(1st leg) | SK Brann | - | ÍA Akranes | 1:0 (1:0) | ||
| 2nd (2nd leg) | ÍA Akranes | - | SK Brann | 0:4 (0:1) | ||
| 1st(1st leg): 14/09/1977 | 2nd (2nd leg): 28/09/1977 | Winner: SK Brann | ||||
| 1st(1st leg) | Cardiff City | - | Austria Wien | 0:0 (0:0) | ||
| 2nd (2nd leg) | Austria Wien | - | Cardiff City | 1:0 (0:0) | ||
| 1st(1st leg): 14/09/1977 | 2nd (2nd leg): 28/09/1977 | Winner: Austria Wien | ||||
| 1st(1st leg) | TJ Lokomotíva Košice | - | Östers IF | 0:0 (0:0) | ||
| 2nd (2nd leg) | Östers IF | - | TJ Lokomotíva Košice | 2:2 (0:1) | ||
| 1st(1st leg): 14/09/1977 | 2nd (2nd leg): 28/09/1977 | Winner: TJ Lokomotíva Košice | ||||
| 1st(1st leg) | AS Saint-Étienne | - | Manchester United | 1:1 (0:0) | ||
| 2nd (2nd leg) | Manchester United | - | AS Saint-Étienne | 2:0 (1:0) | ||
| 1st(1st leg): 14/09/1977 | 2nd (2nd leg): 05/10/1977 | Winner: Manchester United | ||||
| 1st(1st leg) | Olympiakos Nikosia | - | FC Universitatea Craiova | 1:6 (0:1) | ||
| 2nd (2nd leg) | FC Universitatea Craiova | - | Olympiakos Nikosia | 2:0 (1:0) | ||
| 1st(1st leg): 15/09/1977 | 2nd (2nd leg): 28/09/1977 | Winner: FC Universitatea Craiova | ||||
| 1st(1st leg) | Valletta FC | - | Dinamo Moskva | 0:2 (0:0) | ||
| 2nd (2nd leg) | Dinamo Moskva | - | Valletta FC | 5:0 (4:0) | ||
| 1st(1st leg): 17/09/1977 | 2nd (2nd leg): 29/09/1977 | Winner: Dinamo Moskva | ||||
