Across Montana, the bus network does not have a large amount of intercity routes but Jefferson Lines goes to cities including Billings and Bozeman.

[13][14] All four agencies run routes with fairly frequent schedules allowing commuters quick movement around different areas of the cities.

The Empire Builder serves twelve stations along the northern tier of the state between North Dakota and Idaho.

[16] This daily long-distance train provides direct rail service westbound to Spokane, Seattle, and Portland, and eastbound to Fargo, St. Paul, Milwaukee, and Chicago.

The Class II Montana Rail Link operates 817 miles (1,315 km) of track leased from BNSF within the state.

[17] Many now-defunct historical railroads existed in the industrial period of the 19th and early 20th century:[15] Commercial air travel is common in Montana and there are up to 71 public and private airports in the state.

The busiest domestic destinations from Montana are Denver, Colorado, Minneapolis, Minnesota and Salt Lake City, Utah, and the main airlines are Delta Air Lines and United Express.