| Country: | CHN |
| Type: | G |
| Route: | 306 |
| Map: | G306-路线图.svg |
| Length Km: | 497 |
| Terminus A: | Suizhong, Liaoning |
| Terminus B: | Hexigten Qi, Inner Mongolia |
| Previous Type: | G |
| Previous Route: | 305 |
| Next Type: | G |
| Next Route: | 307 |
China National Highway 306 (G306) runs northwest from Suizhong, Liaoning towards Hexigten Qi, Inner Mongolia and spans 497 kilometres.
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