| Similarity | Rank | |
|---|---|---|
| transcontinental | 0.726 | 64581 |
| nationwide | 0.681 | 6279 |
| 100-mile | 0.677 | 91786 |
| trans-Atlantic | 0.648 | 81102 |
| 000-mile | 0.643 | 84596 |
| nonstop | 0.642 | 29053 |
| interstate | 0.642 | 17669 |
| Chicagoland | 0.634 | 52131 |
| long-distance | 0.632 | 24946 |
| mid-Atlantic | 0.632 | 71992 |
| tri-state | 0.629 | 72144 |
| cross-country | 0.628 | 22491 |
| Tri-State | 0.627 | 59458 |
| 20-plus | 0.627 | 94445 |
| nation-wide | 0.624 | 44391 |
| non-stop | 0.620 | 18330 |
| long-haul | 0.620 | 52984 |
| transatlantic | 0.612 | 40451 |
| Seaboard | 0.612 | 75364 |
| Chattanooga | 0.607 | 25277 |
| Nashville | 0.606 | 9959 |
| nationally | 0.604 | 7784 |
| record-breaking | 0.604 | 36269 |
| record-setting | 0.599 | 60533 |
| Amtrak | 0.598 | 31423 |