| viking river cruises 2024 portugal | 1.05 | 0.9 | 4020 | 34 | 4 |
| viking river cruises 2024 spain and portugal | 1.44 | 0.1 | 2208 | 44 | 94 |
| viking river cruises 2024 itinerary portugal | 1.36 | 0.1 | 9742 | 44 | 48 |
| viking river cruises 2024 douro river | 1.65 | 0.6 | 7768 | 37 | 53 |
| viking cruises to portugal 2023 | 1.2 | 0.9 | 47 | 31 | 16 |
| viking river cruises 2024 spain | 0.7 | 0.1 | 5401 | 31 | 34 |
| viking river cruises portugal 2022 | 1.96 | 0.2 | 2226 | 34 | 94 |
| viking river cruises 2023 douro river | 0.17 | 0.9 | 3247 | 37 | 86 |
| viking river cruises 2024 europe | 1.73 | 0.3 | 8852 | 32 | 61 |
| viking douro river cruise 2024 | 0.13 | 0.8 | 4589 | 30 | 30 |
