| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Pea Ridge | city | Missouri | United States | 38.12583 | -91.04194 | 898 | 923 |
| Peace Valley | city | Missouri | United States | 36.87444 | -91.73111 | 997 | 881 |
| Peach Orchard | city | Missouri | United States | 36.36556 | -89.93389 | 259 | 872 |
| Peaksville | city | Missouri | United States | 40.50694 | -91.69694 | 708 | 484 |
| Pearl | city | Missouri | United States | 37.35167 | -93.48639 | 1197 | 2847 |
| Pearl City | city | Missouri | United States | 40.58111 | -92.89722 | 1000 | 319 |
| Pease | city | Missouri | United States | 37.49472 | -92.6325 | 1148 | 656 |
| Peculiar | city | Missouri | United States | 38.71917 | -94.45833 | 1003 | 6353 |
| Peerless Park | city | Missouri | United States | 38.54333 | -90.495 | 495 | 78374 |
| Peers | city | Missouri | United States | 38.63417 | -91.12167 | 472 | 1775 |
| Pembina | city | Missouri | United States | 37.10778 | -93.14944 | 1397 | 4423 |
| Pembina | city | Missouri | United States | 37.06694 | -93.12167 | 1341 | 2454 |
| Pendleton | city | Missouri | United States | 38.82722 | -91.235 | 898 | 3229 |
| Penermon | city | Missouri | United States | 36.79 | -89.82917 | 295 | 942 |
| Pennsboro | city | Missouri | United States | 37.32722 | -93.83389 | 1059 | 658 |
| Pennville | city | Missouri | United States | 40.36278 | -92.94667 | 1007 | 442 |
| Peoria | city | Missouri | United States | 37.75611 | -90.88417 | 974 | 664 |
| Pepsin | city | Missouri | United States | 37.02361 | -94.24167 | 1128 | 1781 |
| Perche historical | city | Missouri | United States | 39.125 | -92.40556 | 698 | 1596 |
| Perkins | city | Missouri | United States | 37.09472 | -89.77528 | 400 | 1756 |
| Perrin | city | Missouri | United States | 39.66028 | -94.40222 | 1000 | 1392 |
| Perry | city | Missouri | United States | 39.43111 | -91.675 | 688 | 504 |
| Perryville | city | Missouri | United States | 37.72417 | -89.86111 | 544 | 8215 |
| Pershing | city | Missouri | United States | 38.57722 | -91.61417 | 620 | 727 |
| Persia historical | city | Missouri | United States | 39.04056 | -92.39361 | 685 | 10355 |
| Pertle Springs | city | Missouri | United States | 38.73278 | -93.73139 | 879 | 16435 |
| Peru | city | Missouri | United States | 38.1825 | -94.29167 | 836 | 1661 |
| Peruque | city | Missouri | United States | 38.86833 | -90.60806 | 426 | 9167 |
| Peters Ford | city | Missouri | United States | 38.37444 | -91.2075 | 606 | 1629 |
| Petersburg | city | Missouri | United States | 38.51917 | -93.84639 | 797 | 573 |
| Petersburg | city | Missouri | United States | 39.05833 | -92.89306 | 649 | 623 |
| Petersburg historical | city | Missouri | United States | 38.80111 | -92.80222 | 797 | 658 |
| Petersburg historical | city | Missouri | United States | 39.16028 | -92.31222 | 800 | 1979 |
| Petersville | city | Missouri | United States | 38.58722 | -90.74667 | 498 | 9588 |
| Pettys Hill | city | Missouri | United States | 38.54806 | -90.50528 | 396 | 78798 |
| Pevely | city | Missouri | United States | 38.28333 | -90.395 | 495 | 19789 |
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