| Data set | Number of cities | Optimum |
| ch130 | 130 | 6,110 | ch150 | 150 | 6,528 | d198 | 198 | 15,780 | a280 | 280 | 2,579 | pcb442 | 442 | 50,778 | d493 | 493 | 35,002 | u574 | 574 | 36,905 | u724 | 724 | 41,910 | pr1002 | 1,002 | 259,045 | u1060 | 1,060 | 224,094 | d1291 | 1,291 | 50,801 | u1432 | 1,432 | 152,970 | d1655 | 1,655 | 62,128 | u2152 | 2,152 | 64,253 | pr2392 | 2,392 | 378,032 | pcb3038 | 3,038 | 137,694 | fnl4461 | 4,461 | 182,566 | usa13509 | 13,509 | 19,982,889 |
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