List of highways numbered 660
# List of highways numbered 660

Route 660, or Highway 660, may refer to:

## Canada

* Saskatchewan Highway 660

## Ireland

* R660 road (Ireland)

## United Kingdom

* A660 road

## United States

* Nevada State Route 660 (former)
* Ohio State Route 660
* Pennsylvania Route 660
* Puerto Rico Highway 660

| Preceded by 659 | Lists of highways 660 | Succeeded by 661 |
| - | - | - |
