| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Labugino | city | Eastern Highlands | Papua New Guinea | -6.48 | 145.05 | 5088 | 3696 |
| Lagaiyui 1 | city | Eastern Highlands | Papua New Guinea | -6.40 | 145.47 | 5954 | 3129 |
| Lagomisi | city | Eastern Highlands | Papua New Guinea | -5.98 | 145.42 | 7007 | 3868 |
| Lakomiufa | city | Eastern Highlands | Papua New Guinea | -5.98 | 145.37 | 6879 | 4487 |
| Lampo | city | Eastern Highlands | Papua New Guinea | -6.24 | 145.53 | 5193 | 3129 |
| Lauli | city | Eastern Highlands | Papua New Guinea | -6.50 | 145.00 | 5209 | 3828 |
| Laundi | city | Eastern Highlands | Papua New Guinea | -6.05 | 146.20 | 3349 | 1473 |
| Laye | city | Eastern Highlands | Papua New Guinea | -6.83 | 145.53 | 3733 | 3129 |
| Lentevegu | city | Eastern Highlands | Papua New Guinea | -6.15 | 145.27 | 6925 | 3795 |
| Lialufa | city | Eastern Highlands | Papua New Guinea | -6.05 | 145.57 | 6906 | 3129 |
| Liborei | city | Eastern Highlands | Papua New Guinea | -6.44 | 145.11 | 5170 | 3951 |
| Lihona | city | Eastern Highlands | Papua New Guinea | -6.03 | 145.70 | 5236 | 3129 |
| Lihono | city | Eastern Highlands | Papua New Guinea | -6.03 | 145.70 | 5236 | 3129 |
| Liloka | city | Eastern Highlands | Papua New Guinea | -6.28 | 145.47 | 5029 | 3129 |
| Lioni | city | Eastern Highlands | Papua New Guinea | -6.49 | 145.04 | 5029 | 3705 |
| Liorofa 1 | city | Eastern Highlands | Papua New Guinea | -6.05 | 145.56 | 6709 | 3129 |
| Liorofa 2 Government Rest House | city | Eastern Highlands | Papua New Guinea | -6.02 | 145.57 | 6915 | 3124 |
| Liorofa Number 1 | city | Eastern Highlands | Papua New Guinea | -6.05 | 145.56 | 6709 | 3129 |
| Liorofa Number 2 | city | Eastern Highlands | Papua New Guinea | -6.02 | 145.57 | 6915 | 3124 |
| Litipinaga | city | Eastern Highlands | Papua New Guinea | -6.25 | 145.38 | 5029 | 3334 |
| Lolu | city | Eastern Highlands | Papua New Guinea | -6.03 | 145.25 | 6709 | 3201 |
| Lonboasa | city | Eastern Highlands | Papua New Guinea | -5.97 | 145.28 | 5971 | 3135 |
| Lonofoguwei | city | Eastern Highlands | Papua New Guinea | -5.97 | 145.25 | 6240 | 3260 |
| Losave | city | Eastern Highlands | Papua New Guinea | -6.33 | 145.30 | 5318 | 3261 |
| Lowai | city | Eastern Highlands | Papua New Guinea | -6.48 | 145.22 | 5869 | 3129 |
| Lufa | city | Eastern Highlands | Papua New Guinea | -6.34 | 145.30 | 5869 | 3201 |
| Lufikave | city | Eastern Highlands | Papua New Guinea | -5.98 | 145.30 | 5869 | 3129 |
| Lumufalele | city | Eastern Highlands | Papua New Guinea | -6.07 | 145.25 | 7549 | 3373 |
| Lunungu | city | Eastern Highlands | Papua New Guinea | -6.56 | 145.33 | 6709 | 3129 |
| Lupabe | city | Eastern Highlands | Papua New Guinea | -6.35 | 145.38 | 6879 | 3129 |