| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Or-Erkenşvik | city | Nordrhein-Westfalen | Germany | 51.64 | 7.26 | 232 | 79163 |
| Orbach | city | Nordrhein-Westfalen | Germany | 51.07 | 7.44 | 1007 | 10480 |
| Orbke | city | Nordrhein-Westfalen | Germany | 51.96 | 8.85 | 830 | 51322 |
| Orbroich | city | Nordrhein-Westfalen | Germany | 51.39 | 6.50 | 111 | 45980 |
| Ork | city | Nordrhein-Westfalen | Germany | 51.60 | 6.61 | 75 | 7484 |
| Orken | city | Nordrhein-Westfalen | Germany | 51.09 | 6.57 | 177 | 73618 |
| Orken | city | Nordrhein-Westfalen | Germany | 52.09 | 8.53 | 393 | 56201 |
| Orr | city | Nordrhein-Westfalen | Germany | 51.01 | 6.83 | 147 | 134985 |
| Orsbach | city | Nordrhein-Westfalen | Germany | 50.80 | 6.00 | 830 | 73269 |
| Orsbach | city | Nordrhein-Westfalen | Germany | 50.68 | 6.15 | 1013 | 30159 |
| Orsbeck | city | Nordrhein-Westfalen | Germany | 51.09 | 6.15 | 164 | 40196 |
| Orscheid | city | Nordrhein-Westfalen | Germany | 50.66 | 7.33 | 1056 | 11805 |
| Orsoy | city | Nordrhein-Westfalen | Germany | 51.52 | 6.69 | 78 | 146713 |
| Orsoyerberg | city | Nordrhein-Westfalen | Germany | 51.52 | 6.67 | 85 | 128960 |
| Ortbruch | city | Nordrhein-Westfalen | Germany | 52.46 | 9.06 | 157 | 6693 |
| Orth | city | Nordrhein-Westfalen | Germany | 51.13 | 7.09 | 830 | 113119 |
| Orthoeve | city | Nordrhein-Westfalen | Germany | 51.69 | 7.04 | 118 | 71216 |
| Orthove | city | Nordrhein-Westfalen | Germany | 51.69 | 7.04 | 118 | 71216 |
| Ortjahn | city | Nordrhein-Westfalen | Germany | 51.78 | 8.27 | 295 | 15194 |
| Ortlingerhausen | city | Nordrhein-Westfalen | Germany | 52.45 | 8.63 | 127 | 9893 |
| Ortmannsheide | city | Nordrhein-Westfalen | Germany | 51.34 | 6.52 | 127 | 108030 |
| Ortseifen | city | Nordrhein-Westfalen | Germany | 50.88 | 7.73 | 1010 | 38355 |
| Ortsiefen | city | Nordrhein-Westfalen | Germany | 50.89 | 7.45 | 830 | 15881 |
| Ortsmannsheide | city | Nordrhein-Westfalen | Germany | 51.34 | 6.52 | 127 | 108030 |
| Ortwick | city | Nordrhein-Westfalen | Germany | 52.05 | 7.02 | 213 | 37078 |
| Oruare, Urvere, Ufrel, Urffell | city | Nordrhein-Westfalen | Germany | 50.80 | 7.02 | 167 | 99135 |