What are the most popular routes to Grou?
| Amsterdam - Grou | Average priceARS 110 143 | Average duration2h 33m | Daily departures208 | |
| Alkmaar - Grou | Average priceARS 113 365 | Average duration3h 28m | Daily departures69 | |
| Heerhugowaard - Grou | Average priceARS 113 365 | Average duration3h 45m | Daily departures23 | |
| Zwolle - Grou | Average priceARS 65 715 | Average duration50m | Daily departures25 | |
| Meppel - Grou | Average priceARS 44 784 | Average duration35m | Daily departures22 | |
