| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Arbach | city | Rheinland-Pfalz | Germany | 50.28 | 7.04 | 1669 | 7050 |
| Aremberg | city | Rheinland-Pfalz | Germany | 50.42 | 6.81 | 1669 | 5958 |
| Arenberg | city | Rheinland-Pfalz | Germany | 50.37 | 7.65 | 944 | 82984 |
| Arenberg-Immendorf | city | Rheinland-Pfalz | Germany | 50.37 | 7.65 | 944 | 82984 |
| Arenrath | city | Rheinland-Pfalz | Germany | 49.95 | 6.74 | 892 | 4917 |
| Arft | city | Rheinland-Pfalz | Germany | 50.38 | 7.08 | 1683 | 7515 |
| Argenschwang | city | Rheinland-Pfalz | Germany | 49.88 | 7.70 | 1240 | 7599 |
| Argenthal | city | Rheinland-Pfalz | Germany | 49.97 | 7.60 | 1669 | 7599 |
| Ariendorf | city | Rheinland-Pfalz | Germany | 50.53 | 7.30 | 275 | 23827 |
| Arienheller | city | Rheinland-Pfalz | Germany | 50.51 | 7.33 | 830 | 8317 |
| Arkenwälderhof | city | Rheinland-Pfalz | Germany | 50.27 | 7.50 | 1233 | 7974 |
| Armsheim | city | Rheinland-Pfalz | Germany | 49.81 | 8.06 | 830 | 14101 |
| Arnshöfen | city | Rheinland-Pfalz | Germany | 50.54 | 7.87 | 1669 | 12069 |
| Arrondissement d'Ahrweiler | city | Rheinland-Pfalz | Germany | 50.54 | 7.10 | 357 | 32262 |
| Arzbach | city | Rheinland-Pfalz | Germany | 50.38 | 7.75 | 1669 | 28504 |
| Arzfeld | city | Rheinland-Pfalz | Germany | 50.09 | 6.27 | 1669 | 4840 |
| Arzheim | city | Rheinland-Pfalz | Germany | 50.35 | 7.63 | 830 | 91724 |
| Arzheim | city | Rheinland-Pfalz | Germany | 49.19 | 8.07 | 830 | 28338 |