Cheap Bus and Train tickets to Cumberland, US

What are the most popular routes to Cumberland?

Washington - CumberlandAverage priceSGD 67Average duration3h 12mDaily departures1
Pittsburgh - CumberlandAverage priceSGD 75Average duration4hDaily departures1
New York City - CumberlandAverage priceSGD 284Average duration8h 9mDaily departures4
Baltimore - CumberlandAverage priceSGD 107Average duration5h 38mDaily departures7
Martinsburg - CumberlandAverage priceSGD 48Average duration1h 32mDaily departures1