| Name | Population | Latitude/Longitude |
| 1 | Port Moresby, National Capital District |
283,733 |
-9.443 / 147.18 |
| 2 | Lae, Morobe |
76,255 |
-6.722 / 146.985 |
| 3 | Arawa, Bougainville |
40,266 |
-6.213 / 155.537 |
| 4 | Mount Hagen, Western Highlands |
33,623 |
-5.858 / 144.227 |
| 5 | Popondetta, Northern Province |
28,198 |
-8.754 / 148.253 |
| 6 | Madang, Madang |
27,419 |
-5.225 / 145.797 |
| 7 | Kokopo, East New Britain |
26,273 |
-4.352 / 152.263 |
| 8 | Mendi, Southern Highlands |
26,252 |
-6.176 / 143.651 |
| 9 | Kimbe, West New Britain |
18,847 |
-5.55 / 150.143 |
| 10 | Goroka, Eastern Highlands |
18,503 |
-6.083 / 145.387 |