| Group 1 | 27/06/1978 | El Nacional | - | River Plate | 1:1 | ||||
| Group 1 | 30/06/1978 | El Nacional | - | Independiente | 1:2 | ||||
| Group 1 | 05/07/1978 | El Nacional | - | LDU Quito | 2:0 |  |
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| Group 1 | 11/07/1978 | River Plate | - | El Nacional | 2:0 | ||||
| Group 1 | 14/07/1978 | Independiente | - | El Nacional | 2:0 | ||||
| Group 1 | 26/07/1978 | LDU Quito | - | El Nacional | 3:2 |
Ecuador