The 1978 Intercontinental basketball Cup took place at Buenos Aires. From FIBA European Championship participated Mobilgirgi Varese, Real Madrid, from Liga Sudamericana participated Esporte Clube Sírio, Obras Sanitarias and from NCAA University of Rhode Island.
First Day 20 June 1978
| Real Madrid | 111–108 | E.C. Sírio |
| Obras Sanitarias | 98–71 | University of Rhode Island |
Second Day 21 June 1978
| Mobilgirgi Varese | 92–82 | University of Rhode Island |
| Obras Sanitarias | 95–90 | E.C. Sírio |
Third Day 22 June 1978
| Real Madrid | 127–102 | University of Rhode Island |
| Obras Sanitarias | 95–89 | Mobilgirgi Varese |
Fourth Day 23 June 1978
| Real Madrid | 137–112 | Mobilgirgi Varese |
| E.C. Sírio | 109–95 | University of Rhode Island |
Fifth Day 24 June 1978
| Real Madrid | 104–103 | Obras Sanitarias |
| E.C. Sírio | 112–92 | Mobilgirgi Varese |
| Team | Pld | W | L | PF | PA | Points | |
|---|---|---|---|---|---|---|---|
| 1. | Real Madrid | 4 | 4 | 0 | 479 | 425 | 8 |
| 2. | Obras Sanitarias | 4 | 3 | 1 | 391 | 354 | 7 |
| 3. | Esporte Clube Sírio | 4 | 2 | 2 | 419 | 393 | 6 |
| 4. | Mobilgirgi Varese | 4 | 1 | 3 | 383 | 426 | 5 |
| 5. | University of Rhode Island | 4 | 0 | 4 | 350 | 424 | 4 |
| 1984 Intercontinental Champions |
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| Real Madrid |
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