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| 1st(1st leg) | Omonia Nikosia | - | Juventus | 0:3 (0:2) | ||
| 2nd (2nd leg) | Juventus | - | Omonia Nikosia | 2:0 (1:0) | ||
| 1st(1st leg): 14/09/1977 14:00 | 2nd (2nd leg): 28/09/1977 19:30 | Winner: Juventus | ||||
| 1st(1st leg) | Levski Sofia | - | Śląsk Wrocław | 3:0 (3:0) | ||
| 2nd (2nd leg) | Śląsk Wrocław | - | Levski Sofia | 2:2 (1:1) | ||
| 1st(1st leg): 14/09/1977 14:00 | 2nd (2nd leg): 28/09/1977 13:00 | Winner: Levski Sofia | ||||
| 1st(1st leg) | Trabzonspor | - | B 1903 København | 1:0 (0:0) | ||
| 2nd (2nd leg) | B 1903 København | - | Trabzonspor | 2:0 (1:0) | ||
| 1st(1st leg): 14/09/1977 14:30 | 2nd (2nd leg): 28/09/1977 | Winner: B 1903 København | ||||
| 1st(1st leg) | Kuopion PS | - | Club Brugge KV | 0:4 (0:0) | ||
| 2nd (2nd leg) | Club Brugge KV | - | Kuopion PS | 5:2 (3:1) | ||
| 1st(1st leg): 14/09/1977 15:30 | 2nd (2nd leg): 28/09/1977 19:00 | Winner: Club Brugge KV | ||||
| 1st(1st leg) | Floriana FC | - | Panathinaikos | 1:1 (1:1) | ||
| 2nd (2nd leg) | Panathinaikos | - | Floriana FC | 4:0 (3:0) | ||
| 1st(1st leg): 14/09/1977 16:00 | 2nd (2nd leg): 28/09/1977 18:30 | Winner: Panathinaikos | ||||
| 1st(1st leg) | Crvena Zvezda | - | Sligo Rovers | 3:0 (0:0) | ||
| 2nd (2nd leg) | Sligo Rovers | - | Crvena Zvezda | 0:3 (0:1) | ||
| 1st(1st leg): 14/09/1977 16:30 | 2nd (2nd leg): 28/09/1977 15:30 | Winner: Crvena Zvezda | ||||
| 1st(1st leg) | Celtic FC | - | Jeunesse Esch | 5:0 (2:0) | ||
| 2nd (2nd leg) | Jeunesse Esch | - | Celtic FC | 1:6 (1:1) | ||
| 1st(1st leg): 14/09/1977 17:30 | 2nd (2nd leg): 28/09/1977 18:30 | Winner: Celtic FC | ||||
| 1st(1st leg) | Lillestrøm SK | - | AFC Ajax | 2:0 (2:0) | ||
| 2nd (2nd leg) | AFC Ajax | - | Lillestrøm SK | 4:0 (2:0) | ||
| 1st(1st leg): 14/09/1977 18:00 | 2nd (2nd leg): 28/09/1977 19:15 | Winner: AFC Ajax | ||||
| 1st(1st leg) | ASVS Dukla Praha | - | FC Nantes | 1:1 (0:1) | ||
| 2nd (2nd leg) | FC Nantes | - | ASVS Dukla Praha | 0:0 (0:0) | ||
| 1st(1st leg): 14/09/1977 18:30 | 2nd (2nd leg): 28/09/1977 18:30 | Winner: FC Nantes | ||||
| 1st(1st leg) | Budapesti Vasas | - | Bor. Mönchengladbach | 0:3 (0:3) | ||
| 2nd (2nd leg) | Bor. Mönchengladbach | - | Budapesti Vasas | 1:1 (0:0) | ||
| 1st(1st leg): 14/09/1977 18:45 | 2nd (2nd leg): 28/09/1977 18:30 | Winner: Bor. Mönchengladbach | ||||
| 1st(1st leg) | FC Basel | - | SSW Innsbruck | 1:3 (1:2) | ||
| 2nd (2nd leg) | SSW Innsbruck | - | FC Basel | 0:1 (0:0) | ||
| 1st(1st leg): 14/09/1977 19:00 | 2nd (2nd leg): 28/09/1977 18:00 | Winner: SSW Innsbruck | ||||
| 1st(1st leg) | Dynamo Dresden | - | Halmstads BK | 2:0 (0:0) | ||
| 2nd (2nd leg) | Halmstads BK | - | Dynamo Dresden | 2:1 (1:0) | ||
| 1st(1st leg): 14/09/1977 19:00 | 2nd (2nd leg): 28/09/1977 18:00 | Winner: Dynamo Dresden | ||||
| 1st(1st leg) | SL Benfica | - | Torpedo Moskva | 0:0 (0:0) | ||
| 2nd (2nd leg) | Torpedo Moskva | - | SL Benfica | 1:4 (0:0, 0:0, 0:0) pso | ||
| 1st(1st leg): 14/09/1977 20:30 | 2nd (2nd leg): 28/09/1977 16:30 | Winner: SL Benfica | ||||
| 1st(1st leg) | Dinamo Bucureşti | - | Atlético Madrid | 2:1 (1:0) | ||
| 2nd (2nd leg) | Atlético Madrid | - | Dinamo Bucureşti | 2:0 (0:0) | ||
| 1st(1st leg): 15/09/1977 | 2nd (2nd leg): 28/09/1977 | Winner: Atlético Madrid | ||||
| 1st(1st leg) | Valur Reykjavík | - | Glentoran FC | 1:0 (1:0) | ||
| 2nd (2nd leg) | Glentoran FC | - | Valur Reykjavík | 2:0 (1:0) | ||
| 1st(1st leg): 15/09/1977 17:00 | 2nd (2nd leg): 29/09/1977 19:30 | Winner: Glentoran FC | ||||
