| Country: | IRL |
| Type: | R |
| Route: | 704 |
| Length Km: | 17.6 |
| Terminus A: | R448 at Mullinavat, County Kilkenny |
| Junction: |
|
| Terminus B: | R723 at Rosbercon, New Ross, County Wexford |
| Previous Type: | R |
| Previous Route: | 703 |
| Next Type: | R |
| Next Route: | 705 |
The R704 road is a regional road in Ireland. It travels from Mullinavat, County Kilkenny to New Ross, County Wexford. The road is 17.6km (10.9miles) long.