What are the most popular routes to Treto?
| Santander - Treto | Average priceCHF 10 | Average duration1h 45m | Daily departures11 | |
| Laredo - Treto | Average priceCHF 5 | Average duration10m | Daily departures14 | |
| Colindres - Treto | Average priceCHF 5 | Average duration5m | Daily departures13 | |
| Maliano - Treto | Average priceCHF 7 | Average duration53m | Daily departures4 | |
| Argoños - Treto | Average priceCHF 5 | Average duration15m | Daily departures6 | |
