| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| portland airport rental car companies | 0.93 | 0.6 | 2570 | 72 |
| portland oregon airport rental car companies | 0.85 | 0.7 | 3927 | 43 |
| portland maine airport rental car companies | 0.11 | 0.3 | 1005 | 28 |
| portland airport rental car center companies | 0.41 | 0.8 | 9684 | 66 |
| rental car companies at portland pdx airport | 0.15 | 0.1 | 1577 | 29 |
