| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Radamulla | city | Western Province | Sri Lanka | 6.5333333 | 79.9833333 | 42 | 50120 |
| Radawadunna | city | Western Province | Sri Lanka | 7.1833333 | 80.1333333 | 495 | 128552 |
| Radawana | city | Western Province | Sri Lanka | 7.0341667 | 80.0902778 | 396 | 173386 |
| Raddalgoda | city | Western Province | Sri Lanka | 7.2 | 80.1 | 433 | 159094 |
| Raddegoda | city | Western Province | Sri Lanka | 6.6833333 | 80 | 95 | 88688 |
| Raddoluwa | city | Western Province | Sri Lanka | 7.1333333 | 79.9 | 36 | 165875 |
| Ragama | city | Western Province | Sri Lanka | 7.0308333 | 79.9166667 | 26 | 171003 |
| Rajagiriya | city | Western Province | Sri Lanka | 6.9127778 | 79.8938889 | 91 | 374152 |
| Rambukkana | city | Western Province | Sri Lanka | 6.7166667 | 79.9833333 | 45 | 153471 |
| Ramminike | city | Western Province | Sri Lanka | 6.6833333 | 80.0166667 | 193 | 88688 |
| Rammukkana | city | Western Province | Sri Lanka | 6.7166667 | 79.9833333 | 45 | 153471 |
| Rammutugala | city | Western Province | Sri Lanka | 7.0166667 | 79.9666667 | 68 | 169593 |
| Ranala | city | Western Province | Sri Lanka | 6.9166667 | 80.0333333 | 183 | 283291 |
| Ranale | city | Western Province | Sri Lanka | 6.9166667 | 80.0333333 | 183 | 283291 |
| Randeni Pallewela | city | Western Province | Sri Lanka | 7.2 | 80.0833333 | 347 | 169531 |
| Rangedara | city | Western Province | Sri Lanka | 6.5333333 | 80.1666667 | 501 | 88725 |
| Raniswala | city | Western Province | Sri Lanka | 7.1166667 | 80.05 | 180 | 169559 |
| Rannungala | city | Western Province | Sri Lanka | 6.6166667 | 79.9666667 | 16 | 69215 |
| Rassapana | city | Western Province | Sri Lanka | 7.2333333 | 80.05 | 183 | 169516 |
| Ratambale | city | Western Province | Sri Lanka | 7.0666667 | 80.15 | 495 | 135071 |
| Ratmalana | city | Western Province | Sri Lanka | 6.8183333 | 79.8691667 | 3 | 152985 |
| Ratmalana North | city | Western Province | Sri Lanka | 6.8166667 | 79.8666667 | 3 | 152985 |
| Ratmalana South | city | Western Province | Sri Lanka | 6.8166667 | 79.8833333 | 22 | 321713 |
| Ratmalawita | city | Western Province | Sri Lanka | 7.0833333 | 79.9666667 | 36 | 169576 |
| Ratmale | city | Western Province | Sri Lanka | 6.45 | 80.2 | 616 | 88739 |
| Ratmalgoda | city | Western Province | Sri Lanka | 6.75 | 80.1166667 | 488 | 95681 |
| Rawatawatta | city | Western Province | Sri Lanka | 6.7833333 | 79.8833333 | 3 | 222807 |
| Rayigama | city | Western Province | Sri Lanka | 6.7166667 | 80.0166667 | 177 | 111867 |
| Remuna | city | Western Province | Sri Lanka | 6.6833333 | 80.0666667 | 295 | 88688 |
| Rerukana | city | Western Province | Sri Lanka | 6.7333333 | 80 | 127 | 111867 |
| Retiyala | city | Western Province | Sri Lanka | 6.6333333 | 80.1333333 | 262 | 88446 |
| Rilaulla | city | Western Province | Sri Lanka | 7.05 | 79.8833333 | 16 | 144536 |
| Rilawela | city | Western Province | Sri Lanka | 6.8 | 79.9833333 | 249 | 402275 |
| Ritiketiya | city | Western Province | Sri Lanka | 6.4333333 | 80.0666667 | 213 | 88408 |
| Rukmale | city | Western Province | Sri Lanka | 6.85 | 79.9666667 | 275 | 445008 |
| Rukmalie | city | Western Province | Sri Lanka | 6.85 | 79.9666667 | 275 | 445008 |
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