Varzim SC played 80 league seasons and cup tournaments in the data, 1963 to 2026. Success weighs every finish by how hard that competition was to win; Efficiency is the share of what the club could have won that it did win; Edge compares that with an average participant (×1.00).
| 583 | Rot-Weiß Oberhausen (Germany) | 4.4 |
| 584 | The Strongest (BOL) | 4.4 |
| 585 | Casale (Italy) | 4.3 |
| 586 | Varzim SC (Portugal) | 4.3 |
| 587 | Antalyaspor (Turkey) | 4.3 |
| 588 | XV de Novembro (Brazil) | 4.3 |
| 589 | Grenoble Foot 38 (France) | 4.3 |