| Country | JPN |
|---|---|
| Route | 484 |
| Length | 62.9 km |
| Previous route | 483 |
| Next route | 485 |
National Route 484 (国道484号) is a national highway of Japan in Okayama Prefecture that connects the cities of Bizen and Takahashi. The route has a total length of 62.9 kilometers (39.1 mi).