Cheap Bus and Train tickets to Amsterdam, US

What are the most popular routes to Amsterdam?

Syracuse - AmsterdamAverage priceCOP 143 748Average duration2hDaily departures4
Charlotte - AmsterdamAverage priceCOP 693 193Average duration1d 4hDaily departures1
Albany - AmsterdamAverage priceCOP 55 627Average duration55mDaily departures3
Rochester - AmsterdamAverage priceCOP 200 372Average duration3h 30mDaily departures4
Boston - AmsterdamAverage priceCOP 823 043Average duration10h 17mDaily departures6