| Time | Mileage | |
| 7:57 AM | 9204 | Start: Comfort Inn, Livingston, MT |
| I-90 East | ||
| 9:34 AM | 9328 | Fuel, Conoco, Billings |
| 11:10 AM | 9431 | Enterered Wyoming |
| 11:33 AM | 9463 | Scenic View of the Bighorns on I-90 |
| 12:04 PM | 9491 | Lunch, Buffalo, WY |
| 2:34 PM | 9642 | Fuel, Conoco, Beulah, WY |
| 2:45 PM | 9643 | Entered South Dakota |
| US 85 South | ||
| US 385 South | ||
| US 16 West | ||
| 4:13 PM | 9720 | Mount Rushmore National Memorial |
| US 16 East | ||
| Local Streets in Rapid City | ||
| 6:47 PM | 9799 | Dinner, Wall Drug, Wall, SD |
| SD 240, Badlands Loop East | ||
| 7:35 PM | 9806 | Badlands National Park |
| I-90 East | ||
| 10:00 PM | 9858 | End, Super 8 Motel, Kadoka, SD |
Day 23 Mileage: 654 miles, total so far: 7694 miles..