| 1 | Travel (travel and tourism) | 1.1B – 1.2B | Interests > Travel (travel and tourism) |
| 2 | Air travel (transportation) | 385M – 453M | Interests > Travel (travel and tourism) > Air travel (transportation) |
| 3 | Adventure travel (travel and tourism) | 647M – 761M | Interests > Travel (travel and tourism) > Adventure travel (travel and tourism) |
| 4 | Travel + Leisure (publication) | 327M – 384M | Interests > Additional interests > Travel + Leisure (publication) |
| 5 | Travel website (website) | 476M – 560M | Interests > Additional interests > Travel website (website) |
| 6 | Travel Adventures (professional organisation) | 325M – 382M | Interests > Additional interests > Travel Adventures (professional organisation) |
| 7 | backpacking (travel) | 190M – 223M | Interests > Additional interests > backpacking (travel) |
| 8 | luxury travel (travel and tourism) | 159M – 186M | Interests > Additional interests > luxury travel (travel and tourism) |
| 9 | Travel literature | 30.8M – 36.2M | Interests > Additional interests > Travel literature |
| 10 | Travel Blogger | 60.7M – 71.4M | Interests > Additional interests > Travel Blogger |
| 11 | Business travel (travel and tourism business) | 275M – 323M | Interests > Additional interests > Business travel (travel and tourism business) |
| 12 | Travel insurance | 60.7M – 71.4M | Interests > Additional interests > Travel insurance |
| 13 | Travel Channel | 17.1M – 20.1M | Interests > Additional interests > Travel Channel |
| 14 | Travel documentary | 13.6M – 16M | Interests > Additional interests > Travel documentary |
| 15 | Travel agents and booking (travel and tourism business) | 96.8M – 114M | Interests > Additional interests > Travel agents and booking (travel and tourism business) |
| 16 | Travel attractions and activities (travel and tourism business) | 62.8M – 73.8M | Interests > Additional interests > Travel attractions and activities (travel and tourism business) |
| 17 | Wisconsin | 41.2M – 48.5M | Interests > Additional interests > Wisconsin |
| 18 | Travel content and inspiration (travel and tourism business) | 53.2M – 62.5M | Interests > Additional interests > Travel content and inspiration (travel and tourism business) |
| 19 | STA Travel | 3.2M – 3.8M | Interests > Additional interests > STA Travel |
| 20 | Vietnam | 183M – 215M | Interests > Additional interests > Vietnam |
| 21 | BBC Travel | 1.5M – 1.8M | Interests > Additional interests > BBC Travel |
| 22 | Intrepid Travel | 5.2M – 6.1M | Interests > Additional interests > Intrepid Travel |
| 23 | Travel the World | 6.4M – 7.5M | Interests > Additional interests > Travel the World |
| 24 | TUI Travel | 19.5M – 22.9M | Interests > Additional interests > TUI Travel |
| 25 | Travel trailer | 54.8M – 64.4M | Interests > Additional interests > Travel trailer |
| 26 | Family board games (games) | 850K – 1M | Interests > Additional interests > Family board games (games) |
| 27 | Travel photography (photography) | 486M – 571M | Interests > Additional interests > Travel photography (photography) |
| 28 | Travel services (travel and tourism business) | 6M – 7M | Interests > Additional interests > Travel services (travel and tourism business) |
| 29 | Student travel (travel and tourism business) | 987K – 1.2M | Interests > Additional interests > Student travel (travel and tourism business) |
| 30 | USA TODAY Travel | 976 – 1.1K | Interests > Additional interests > USA TODAY Travel |
| 31 | Traveloka | 6.7M – 7.9M | Interests > Additional interests > Traveloka |
| 32 | Travelzoo | 14.4M – 17M | Interests > Additional interests > Travelzoo |
| 33 | Laptop (computer) | 239M – 281M | Interests > Additional interests > Laptop (computer) |
| 34 | Philippines (place) | 253M – 298M | Interests > Additional interests > Philippines (place) |
| 35 | Travelocity | 51.5M – 60.5M | Interests > Additional interests > Travelocity |
| 36 | First-class travel (travel and tourism business) | 708M – 832M | Interests > Additional interests > First-class travel (travel and tourism business) |
| 37 | Study abroad in the United States | 2.8M – 3.3M | Interests > Additional interests > Study abroad in the United States |
| 38 | TV travel channels (television network) | 3.2M – 3.8M | Interests > Additional interests > TV travel channels (television network) |
| 39 | Food and travel TV shows (television show) | 1.6M – 1.9M | Interests > Additional interests > Food and travel TV shows (television show) |
| 40 | Beach Travellers | 38.9M – 45.7M | Interests > Additional interests > Beach Travellers |
| 41 | Condé Nast Traveler | 44.9M – 52.8M | Interests > Additional interests > Condé Nast Traveler |
| 42 | National Geographic Traveler | 27.4M – 32.3M | Interests > Additional interests > National Geographic Traveler |
| 43 | Traveller (role-playing game) | 11.3M – 13.3M | Interests > Additional interests > Traveller (role-playing game) |
| 44 | North America | 410M – 482M | Interests > Additional interests > North America |