Enter city, state, or port code.
Name / Location   | State | Airport Code | Port Code |
| Minot | North Dakota | MOT | 3434 |
| Missoula | MT | MSO | |
| Mobile | Alabama | MOB | 1901 |
| Moline | Illinois | MLI | 3908 |
| Monterey | California | MRY | 2805 |
| Morgan City | Louisiana | 2001 | |
| Morristown Airport Newark | New Jersey | MMU | 4681 |
| Morro | California | 2719 | |
| Muskegon | Michigan | MKG | 3815 |
| Naco | Arizona | 2603 | |
| Nashville | Tennessee | BNA | 2007 |
| Nawiliwili-Port Allen | Hawaii | 3204 | |
| New Bedford | Massachusetts | BED | 0405 |
| New Haven | Connecticut | HVN | 0412 |
| New London | Connecticut | GON | 0413 |
| New Orleans | Louisiana | MSY | 2002 |
| New York Delta Cargo | New York | JFK | 4701 |
| New York JFK Intl Airport | New York | JFK | 1012 |
| Newark | New Jersey | EWR | 4601 |
| Newport Bay | California | 2709 | |
| Newport News / York River | Virginia | 1402 | |
| Nippon Courier Hub Chicago | Illinois | ORD | 3991 |
| Nogales | Arizona | 2604 | |
| Norfolk / Portsmouth | Virginia | ORF | 1401 |
| North Bend | Oregon | OTH | 2903 |
