| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Labruja | city | Santarem | Portugal | 39.42 | -8.45 | 82 | 17660 |
| Ladeira | city | Santarem | Portugal | 39.62 | -7.86 | 830 | 1143 |
| Lagarinhos | city | Santarem | Portugal | 39.66 | -8.57 | 830 | 15867 |
| Lagoa da Carapita | city | Santarem | Portugal | 39.65 | -8.59 | 830 | 16387 |
| Lagoa do Furadouro | city | Santarem | Portugal | 39.62 | -8.55 | 895 | 12301 |
| Lagoa do Grou | city | Santarem | Portugal | 39.76 | -8.49 | 830 | 6842 |
| Lagualva de Baixo | city | Santarem | Portugal | 39.29 | -8.58 | 104 | 6463 |
| Lagualva de Cima | city | Santarem | Portugal | 39.28 | -8.56 | 144 | 5862 |
| Laje | city | Santarem | Portugal | 39.64 | -7.98 | 1669 | 2014 |
| Lamarosa | city | Santarem | Portugal | 39.32 | -8.77 | 830 | 6001 |
| Lamarosa | city | Santarem | Portugal | 39.52 | -8.47 | 334 | 18784 |
| Lamarosa | city | Santarem | Portugal | 39.07 | -8.47 | 377 | 1584 |
| Lameira Pequena | city | Santarem | Portugal | 39.66 | -8.30 | 987 | 4851 |
| Lameiras | city | Santarem | Portugal | 39.59 | -8.16 | 1017 | 4054 |
| Lampreia | city | Santarem | Portugal | 39.45 | -8.00 | 393 | 2773 |
| Lapa | city | Santarem | Portugal | 39.17 | -8.88 | 311 | 12263 |
| Lapas | city | Santarem | Portugal | 39.49 | -8.55 | 249 | 18601 |
| Laranjeira | city | Santarem | Portugal | 39.49 | -8.37 | 830 | 8817 |
| Larosa | city | Santarem | Portugal | 39.34 | -8.76 | 830 | 5984 |
| Lavre | city | Santarem | Portugal | 38.80 | -8.51 | 170 | 1067 |
| Lercas | city | Santarem | Portugal | 39.54 | -8.08 | 830 | 3431 |
| Levegada | city | Santarem | Portugal | 39.58 | -8.30 | 377 | 3761 |
| Lezíria da Palmeira Nova | city | Santarem | Portugal | 39.20 | -8.65 | 95 | 22616 |
| Lezíria da Palmeira Velha | city | Santarem | Portugal | 39.20 | -8.67 | 68 | 28518 |
| Limeiras | city | Santarem | Portugal | 39.50 | -8.35 | 377 | 8154 |
| Linhaceira | city | Santarem | Portugal | 39.52 | -8.38 | 830 | 11126 |
| Linhares | city | Santarem | Portugal | 38.79 | -8.18 | 830 | 1925 |
| Liteiros | city | Santarem | Portugal | 39.47 | -8.60 | 400 | 13204 |
| Lobata | city | Santarem | Portugal | 39.58 | -8.16 | 1053 | 4423 |
| Lobo Morto | city | Santarem | Portugal | 39.37 | -8.93 | 830 | 12955 |
| Lomba de Égua | city | Santarem | Portugal | 39.63 | -8.66 | 1161 | 16014 |
| Longra | city | Santarem | Portugal | 39.62 | -8.47 | 830 | 9202 |
| Loreto | city | Santarem | Portugal | 39.47 | -8.38 | 206 | 9252 |
| Loucas | city | Santarem | Portugal | 39.69 | -8.59 | 830 | 16001 |
| Louriceira | city | Santarem | Portugal | 39.26 | -8.81 | 278 | 5357 |
| Louriceira | city | Santarem | Portugal | 39.43 | -8.67 | 232 | 11553 |
| Louriceira | city | Santarem | Portugal | 39.61 | -8.09 | 1669 | 2156 |
| Lourinha | city | Santarem | Portugal | 39.67 | -8.58 | 830 | 16899 |
| Lugarinho | city | Santarem | Portugal | 39.56 | -8.56 | 347 | 8129 |