Enter city, state, or port code.
Name / Location   | State  | Airport Code | Port Code |
| Sanford Regional Airport | Florida | SFB | 1882 |
| Sandusky | Ohio | 4105 | |
| Sand Point | Alaska | SDP | 3125 |
| San Ysidro | California | 2504 | |
| San Pedro | California | 2709 | |
| San Pablo Bay | California | 2829 | |
| San Pablo | California | 2829 | |
| San Luis Obispo | California | SBP | 2707 |
| San Luis | Arizona | SBP | 2608 |
| San Juan | PR | SJU | 4913 |
| San Jose International Airport | California | SJC | 2834 |
| San Joaquin River | California | 2828 | |
| San Francisco International Airport | California | SFO | 2801 |
| San Francisco | California | SFO | 2809 |
| San Diego | California | SAN | 2501 |
| San Antonio | Texas | SAT | 5507 |
| Salt Lake City | Utah | SLC | 3303 |
| Salem | Massachusetts | 0408 | |
| Saginaw | Michigan | MBS | 3804 |
| Sacramento | California | SMF | 2816 |
| Rockland | Maine | RKD | 0121 |
| Rock Island | Illinois | 3908 | |
| Rochester | New York | ROC | 0903 |
| Robbinston | Maine | 0115 | |
| Rickenbacker Airport | Ohio | CMH | 4182 |
