| Name | Population | Latitude/Longitude |
| 1 | Port Moresby , National Capital |
283,733 |
-9.477 / 147.151 |
| 2 | Lae , Morobe Province |
76,255 |
-6.723 / 146.996 |
| 3 | Arawa , Bougainville |
40,266 |
-6.23 / 155.566 |
| 4 | Mt Hagen , Western Highlands Province |
33,623 |
-5.857 / 144.231 |
| 5 | Popondetta , Oro Province |
28,198 |
-8.765 / 148.233 |
| 6 | Madang , Madang Province |
27,419 |
-5.222 / 145.787 |
| 7 | Kokopo , East New Britain Province |
26,273 |
-4.343 / 152.269 |
| 8 | Mendi , Southern Highlands Province |
26,252 |
-6.148 / 143.656 |
| 9 | Kimbe , West New Britain Province |
18,847 |
-5.551 / 150.138 |
| 10 | Goroka , Eastern Highlands Province |
18,503 |
-6.085 / 145.387 |
| 11 | Wewak , East Sepik Province |
18,230 |
-3.55 / 143.632 |
| 12 | Bulolo , Morobe Province |
16,042 |
-7.204 / 146.64 |