Bus connections to and from Portland, OR
- Portland, OR ↔ Abilene, TX
- Portland, OR ↔ Albuquerque, NM
- Portland, OR ↔ Amarillo, TX
- Portland, OR ↔ Anaheim, CA
- Portland, OR ↔ Arlington, TX
- Portland, OR ↔ Aurora, CO
- Portland, OR ↔ Austin
- Portland, OR ↔ Bakersfield, CA
- Portland, OR ↔ Billings, MT
- Portland, OR ↔ Boise
- Portland, OR ↔ Burbank, CA
- Portland, OR ↔ Calgary, AB
- Portland, OR ↔ Cedar Rapids, IA
- Portland, OR ↔ Centralia, WA
- Portland, OR ↔ Chihuahua
- Portland, OR ↔ Ciudad Juárez
- Portland, OR ↔ Colorado Springs
- Portland, OR ↔ Columbia, MO
- Portland, OR ↔ Coos Bay, OR
- Portland, OR ↔ Culiacán Rosales
- Portland, OR ↔ Dallas
- Portland, OR ↔ Denton, TX
- Portland, OR ↔ Denver
- Portland, OR ↔ Des Moines, IA
- Portland, OR ↔ Durango, DG
- Portland, OR ↔ Edmonton, AB
- Portland, OR ↔ El Monte, CA
- Portland, OR ↔ El Paso, TX
- Portland, OR ↔ Ensenada
- Portland, OR ↔ Fort Collins, CO
- Portland, OR ↔ Fort Worth
- Portland, OR ↔ Fresno, CA
- Portland, OR ↔ Glendale, AZ
- Portland, OR ↔ Gómez Palacio
- Portland, OR ↔ Grand Rapids, MI
- Portland, OR ↔ Green Bay, WI
- Portland, OR ↔ Hayward, CA
- Portland, OR ↔ Hermosillo
- Portland, OR ↔ Hoover Dam
- Portland, OR ↔ Kansas City
- Portland, OR ↔ Kelowna, BC
- Portland, OR ↔ Kelso, WA
- Portland, OR ↔ Klamath Falls, OR
- Portland, OR ↔ La Grande, OR
- Portland, OR ↔ Langford, BC
- Portland, OR ↔ Langley, BC
- Portland, OR ↔ Laredo, TX
- Portland, OR ↔ Las Vegas
- Portland, OR ↔ Lewisville, TX
- Portland, OR ↔ Lincoln, NE
- Portland, OR ↔ Little Rock, AR
- Portland, OR ↔ Long Beach
- Portland, OR ↔ Lubbock, TX
- Portland, OR ↔ Madison, WI
- Portland, OR ↔ Mazatlán
- Portland, OR ↔ Mesa, AZ
- Portland, OR ↔ Mesquite, TX
- Portland, OR ↔ Mexicali
- Portland, OR ↔ Midland, TX
- Portland, OR ↔ Milwaukee
- Portland, OR ↔ Minneapolis
- Portland, OR ↔ Modesto, CA
- Portland, OR ↔ Moscow, ID
- Portland, OR ↔ Moses Lake, WA
- Portland, OR ↔ Navojoa
- Portland, OR ↔ Norman, OK
- Portland, OR ↔ Nuevo Laredo
- Portland, OR ↔ Oakland
- Portland, OR ↔ Oceanside, CA
- Portland, OR ↔ Oklahoma City, OK
- Portland, OR ↔ Omaha
- Portland, OR ↔ Ontario, CA
- Portland, OR ↔ Oxnard, CA
- Portland, OR ↔ Palmdale, CA
- Portland, OR ↔ Pendleton, OR
- Portland, OR ↔ Peoria, IL
- Portland, OR ↔ Plano, TX
- Portland, OR ↔ Port Angeles, WA
- Portland, OR ↔ Provo, UT
- Portland, OR ↔ Pueblo, CO
- Portland, OR ↔ Pullman, WA
- Portland, OR ↔ Reno, NV
- Portland, OR ↔ Riverside, CA
- Portland, OR ↔ Roseburg, OR
- Portland, OR ↔ Roseville, CA
- Portland, OR ↔ Sacramento
- Portland, OR ↔ Saint Paul, MN
- Portland, OR ↔ Salinas, CA
- Portland, OR ↔ Salt Lake City, UT
- Portland, OR ↔ San Antonio, TX
- Portland, OR ↔ San Bernardino, CA
- Portland, OR ↔ San Francisco
- Portland, OR ↔ San Jose, CA
- Portland, OR ↔ Santa Ana
- Portland, OR ↔ Santa Rosa, CA
- Portland, OR ↔ Shreveport, LA
- Portland, OR ↔ Sioux Falls, SD
- Portland, OR ↔ Springfield, MO
- Portland, OR ↔ St. Louis, MO
- Portland, OR ↔ Stockton, CA
- Portland, OR ↔ Temecula, CA
- Portland, OR ↔ Topeka, KS
- Portland, OR ↔ Torreón, CO
- Portland, OR ↔ Tucson, AZ
- Portland, OR ↔ Tulsa
- Portland, OR ↔ Victorville, CA
- Portland, OR ↔ Visalia, CA
- Portland, OR ↔ Waco, TX
- Portland, OR ↔ West Vancouver, BC
- Portland, OR ↔ Wichita, KS
- Portland, OR ↔ Winnipeg, MB
