| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Racecourse Cross | city | Tiobraid Arann | Ireland | 52.4769444 | -7.8911111 | 383 | 2864 |
| Rapia Cross Roads | city | Tiobraid Arann | Ireland | 52.8869444 | -8.1591667 | 249 | 2839 |
| Rathbeg Bridge | city | Tiobraid Arann | Ireland | 52.685 | -7.5916667 | 465 | 2943 |
| Rathcabban | city | Tiobraid Arann | Ireland | 53.1161111 | -8.0269444 | 216 | 2803 |
| Rathclarish | city | Tiobraid Arann | Ireland | 52.4127778 | -7.4333333 | 479 | 3061 |
| Rathclogh | city | Tiobraid Arann | Ireland | 52.5397222 | -7.8133333 | 498 | 2861 |
| Rathkennan Bridge | city | Tiobraid Arann | Ireland | 52.6286111 | -7.9241667 | 249 | 2853 |
| Rathmore | city | Tiobraid Arann | Ireland | 52.3791667 | -7.8586111 | 324 | 2871 |
| Rear Cross | city | Tiobraid Arann | Ireland | 52.6863889 | -8.2358333 | 757 | 3652 |
| Redwood | city | Tiobraid Arann | Ireland | 53.1225 | -8.1080556 | 236 | 2784 |
| Renaghmore | city | Tiobraid Arann | Ireland | 52.65 | -7.5366667 | 515 | 3041 |
| Riverstown | city | Tiobraid Arann | Ireland | 53.0805556 | -7.9258333 | 226 | 2742 |
| Riverview | city | Tiobraid Arann | Ireland | 52.9069444 | -8.245 | 206 | 2801 |
| Rochestown | city | Tiobraid Arann | Ireland | 52.3333333 | -7.8886111 | 196 | 2875 |
| Rodus Bridge | city | Tiobraid Arann | Ireland | 52.4827778 | -8.3397222 | 324 | 4196 |
| Ros Cre | city | Tiobraid Arann | Ireland | 52.9511111 | -7.8016667 | 413 | 2792 |
| Ros Cré | city | Tiobraid Arann | Ireland | 52.9511111 | -7.8016667 | 413 | 2792 |
| Roscrea | city | Tiobraid Arann | Ireland | 52.9511111 | -7.8016667 | 413 | 2792 |
| Rosmult | city | Tiobraid Arann | Ireland | 52.6819444 | -7.9558333 | 265 | 2850 |
| Rossaguile Bridge | city | Tiobraid Arann | Ireland | 52.7333333 | -8.3494444 | 531 | 3203 |
| Rossestown | city | Tiobraid Arann | Ireland | 52.7097222 | -7.7886111 | 351 | 2847 |
| Rossestown Bridge | city | Tiobraid Arann | Ireland | 52.7138889 | -7.8013889 | 351 | 2847 |
| Rossmore Bridge | city | Tiobraid Arann | Ireland | 52.6119444 | -8.083333 | 958 | 2857 |
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