| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| SEM (CRAIG FLD) | airport | United States | 32.34 | -86.99 | 166 | 0 | |
| SEMA (JOSE MARIA VELASCO IBARRA) | airport | Ecuador | -4.38 | -79.94 | 1508 | 0 | |
| SEMBAWANG | airport | Singapore | 1.43 | 103.81 | 86 | 0 | |
| SEMC (CORONEL E CARVAJAL) | airport | Ecuador | -2.30 | -78.12 | 3452 | 0 | |
| SEMCHENKO | airport | United States | 47.77 | -101.28 | 2065 | 0 | |
| SEMH (GENERAL MANUEL SERRANO) | airport | Ecuador | -3.27 | -79.96 | 11 | 0 | |
| SEMINOLE LAKE | airport | United States | 28.41 | -81.84 | 120 | 0 | |
| SEMINOLE MUNI | airport | United States | 35.27 | -96.68 | 1024 | 0 | |
| SEMINOLE SPRAYING SVC | airport | United States | 32.72 | -102.74 | 3372 | 0 | |
| SEMIPALATINSK | airport | Kazakhstan | 50.35 | 80.23 | 761 | 0 | |
| SEMNAN NEW | airport | United States | 35.39 | 53.67 | 3659 | 0 | |
| SEMO (MONTALVO) | airport | Ecuador | -2.07 | -76.98 | 960 | 0 | |
| SEMOUTIERS | airport | France | 48.09 | 5.05 | 1001 | 0 | |
| SEMT (ELOY ALFARO INTL) | airport | Ecuador | -0.95 | -80.68 | 48 | 0 | |
| SEMX (MARAGROSA) | airport | Ecuador | -2.85 | -79.80 | 18 | 0 | |
| SEMY (Martinica Airport) | airport | -1.74 | -79.62 | 90 | 0 |