What are the most popular routes to Lerma?
| Irun - Lerma | Average price$56 | Average duration4h 59m | Daily departures4 | |
| Aranda de Duero - Lerma | Average price$15 | Average duration45m | Daily departures5 | |
| Bilbao - Lerma | Average price$43 | Average duration2h 55m | Daily departures6 | |
| San Sebastian - Lerma | Average price$53 | Average duration4h 45m | Daily departures4 | |
| Oquillas - Lerma | Average price$11 | Average duration25m | Daily departures4 | |
