| | Parkville, MD | Greenville, SC | United States |
| Commute Time | 27 | 20 | 27 |
| space | | | |
| Commute Mode | | | |
| | Parkville, MD | Greenville, SC | United States |
| Auto (alone) | 79.6% | 76.1% | 73.2% |
| Carpool | 6.7% | 7.0% | 8.6% |
| Mass Transit | 3.0% | 1.3% | 4.2% |
| Bicycle | 0.0% | 0.4% | 0.5% |
| Walk | 0.8% | 3.9% | 2.5% |
| Work at Home | 8.9% | 9.7% | 9.7% |
| space1 | | | |
| Commute Time To Work | | | |
| | Parkville, MD | Greenville, SC | United States |
| Commute Less Than 5 min. | 0.4% | 4.1% | 2.9% |
| Commute 6 to 9 min. | 5.2% | 14.1% | 9.5% |
| Commute 10 to 14 min. | 7.8% | 18.9% | 13.2% |
| Commute 15 to 19 min. | 15.6% | 22.1% | 15.2% |
| Commute 20 to 24 min. | 20.0% | 15.6% | 14.3% |
| Commute 25 to 29 min. | 9.5% | 4.8% | 6.7% |
| Commute 30 to 34 min. | 15.8% | 7.7% | 13.7% |
| Commute 35 to 39 min. | 4.6% | 1.9% | 3.1% |
| Commute 40 to 44 min. | 4.4% | 1.9% | 4.0% |
| Commute 45 to 59 min. | 11.5% | 4.7% | 8.2% |
| Commute 60 to 89 min. | 4.1% | 2.5% | 6.2% |
| Commute greater than 90 min. | 1.2% | 1.7% | 2.9% |