M
- Mackinaw City, Michigan (MAK)
- Macomb, Illinois (MAC)
- Madera, California (MDR) (Amtrak station)
- Madison, Florida (MDO) (Amtrak station)
- Madison, Wisconsin Madison - South (SMD)
- Madison, Wisconsin UW Memorial Union (MSN)
- Malta, Montana (MAL) (Amtrak station)
- Malvern, Arkansas (MVN) (Amtrak station) -Flag stop only for Texas Eagle trains-
- Manassas, Virginia (MSS) (Amtrak station)
- Mancelona, Michigan (MLN)
- Manchester, New Hampshire (MHT) (Amtrak station)
- Manning, Oregon (MNI) Oregon Coachways
- Manton, Michigan Bus Station (MTO)
- Maricopa, Arizona (MRC)
- Marion, Wisconsin (MIO)
- Mariposa, California (MRP) (Amtrak station)
- Marshall, Texas (MHL)
- Martinez, California (MTZ) (Amtrak station)
- Martinsburg, West Virginia (MRB) (Amtrak station)
- Marysville, California (MRV) (Amtrak station)
- Mattoon, Illinois (MAT)
- Maysville, Kentucky (MAY)
- McAllen, Texas (MEN)
- McCall, Idaho (MCA)
- McComb, Mississippi (MCB)
- McCook, Nebraska (MCK)
- McGregor, Texas (MCG)
- McKinleyville, California (MKV) (Amtrak station)
- Medford, Oregon (MFR) The Shuttle
- Memphis, Tennessee (MEM) (Central Station)
- Mendota, Illinois (MDT) (Amtrak station)
- Merced, California (MCD) (Amtrak station)
- Meredith, New Hampshire (MRD)
- Meriden, Connecticut (MDN) (Amtrak station)
- Meridian, Mississippi (MEI) (Union Station)
- Mesquite, Nevada (MQN)
- Metropark, New Jersey (MET) (Amtrak station)
- Miami, Florida (MIA) (Amtrak station)
- Michigan City, Indiana (MCI)
- Middletown, Pennsylvania (MID) (Amtrak station)
- Midpines, California (MDP) (Amtrak station)
- Milwaukee, Wisconsin (MKE) (Milwaukee Intermodal Station)
- Milwaukee, Wisconsin Airport (MKA) (Milwaukee Airport Railroad Station)
- Mineola, Texas (MIN)
- Minneapolis/St. Paul, Minnesota Midway Station (MSP) - (Amtrak station)
- Minot, North Dakota (MOT) (Amtrak station)
- Mobile, Alabama (MOE)
- Mobile, Alabama Greyhound Bus (MOG)
- Modesto, California (MOD) (Amtrak station)
- Mojave, California (MOJ) (Amtrak station)
- Moline, Illinois (MLI)
- Monroe, Washington (MEW)
- Monterey, California Monterey Bay Aquarium (MYA) Monterey - Aquarium, California
- Monterey, California (MRY) Monterey Transit Plaza
- Monterey, California Hyatt (MYH) Hyatt Regency Hotel
- Monterey, California Marriott (MYM) Marriott Hotel
- Monterey, California Travelodge (MYT) Travelodge
- Montgomery, West Virginia (MNG) (Amtrak station)
- Montpelier-Barre, Vermont (MPR) (Amtrak station)
- Montreal, Quebec, Canada (MTR) (Central Station)
- Moorpark, California (MPK) (Amtrak station)
- Moreno Valley, California (MOV)
- Moscow, Idaho (MOC)
- Moses Lake, Washington (MLK)
- Mount Joy, Pennsylvania (MJY) (Amtrak station)
- Mount Pleasant, Iowa (MTP)
- Mount Vernon, Washington (MVW)
- Mountain Home, Idaho (MTM)
- Mystic, Connecticut - Regional (MYS) (Amtrak station)
Read more about this topic: Amtrak Stations