| Oberbilstein im Bergischen Land, Deutschland |
| Oceanport, New Jersey, USA |
| Ohio, USA |
| Oklahoma City, USA |
| Orange (New Jersey), USA |
| Ota, Tokyo, Japan |
| Oventrop, Heutelbeck & Co., Peine i. Hannover |
| Paderborn, Deutschland |
| Palo Alto, Kalifornien, USA |
| Paris / Frankreich |
| Paris, Frankreich |
| Pennsauken, New Jersey, USA |
| Pensa, Russland |
| Pfronten |
| Pfronten, Deutschland |
| Philadelphia 3, Pennsylvania, USA |
| Plan-Les-Quates, Schweiz |
| Plymouth, UK |
| Princeton, New Jersey , USA |
| Prosec Nisa, Tschechoslowakei |
| R.4.1.2 |
| R1.2 |
| R1.2.2.080 |
| R1.2.2.100 |
| R1.2.2.110 |
| R1.2.3.100 |
| R1.2.3.120 |
| R1.2.4.040 |
| R1.3.1.010 |
| R1.3.1.080 |
| R1.3.1.240 (prüfen) |
| R1.3.2.120 |
| R1.3.3A.040 |
| R1.3.3B.020 |
| R1.3.3B.030 |
| R1.3.3B.040 |
| R1.3.3B.050 |
| R1.3.3B.090 |
| R1.3.3D.030 |
| R1.3.4A.100 |
| R1.3.4C.020 |
| R1.4.3.020 |
| R1.5 |
| R1.5.5.040 |
| R1.5.5.060 |
| R1.5.6 |
| R1.5.6.015 |
| R1.5.6.040 |
| R1.5.6.060 |
| R1.5.6.080 |