Just list the cars you've owned and the miles you put on them:

1. My first college car (truck): Bought used at 90K. Died at 180K. 100% of those miles were mine. Miles Driven: 90K

2. Wife's car she had when we got married (bought a year before we got married). Traded off at 140K miles. 90% of those miles were hers. My miles: 15K

3. My first daily driver/commuter car: Bought at 80K, died 240K miles. 90% of those are my miles (145K)

4. Van to replace wife's daily driver. Bought new and traded at 100K. 25% of the miles were mine. 25K miles

5. SUV to replace van. Bought new and traded at 120K. 25% of miles were mine. 30K miles.

6. My 2nd daily driver/commuter car. Bought at 40K, traded off at 220K. 85% of miles were mine (150K).

7. SUV2 to replace SUV1. Wife's daily driver/tow vehicle/family trip vehicle. Bought at 30K, traded at 150K. 30% of miles were mine. (35K).

8/. SUV 3 to replace SUV 2. Bought new and traded at 100K miles. 20% of miles were mine (20K).

9. SUV 4 to replace SUV3. Bought new and traded at 120K miles. 20% of miles were mine (25K miles)

10. My daily driver #3. Bought at 36K. Traded at 140K. 95% of miles were mine. (125K miles).

11. Truck. Bought at 50K. Sold at 140K. 75% of miles are mine. (68K miles)

12. Extra car for general family use (140K miles) - 20% mine (25k miles)

13. SUV 5 to replace SUV 4. Bought at 20K. Currently has 90K miles (20% mine) 15K my miles.

14. Daily Driver #4. Bought at 30K. Currently has 140K - 90% mine. 100K my miles.

15. Various other cars (4) bought for kids or family use that I occasionally drive (15K).

Based on that, I've driven about 780K miles