Kentucky Route 680
# Kentucky Route 680

Kentucky Route 680 (KY 680) is an 18.728-mile-long (30.140 km) state highway in Kentucky. KY 680's western terminus is at KY 80 south-southeast of Eastern, and the eastern terminus is at U.S. Route 23 (US 23), US 460 and KY 80 in Harold

## Major intersections

The entire route is in Floyd County.

| Location | mi | km | Destinations | Notes |
| - | - | - | - | - |
| ​ | 0.000 | 0.000 | KY 80 | Western terminus |
| ​ | 2.640 | 4.249 | KY 777 north | Western end of KY 777 concurrency |
| ​ | 2.884 | 4.641 | KY 777 south | Eastern end of KY 777 concurrency |
| ​ | 4.166 | 6.705 | KY 1086 south | Northern terminus of KY 1086 |
| Minnie | 5.026 | 8.089 | KY 122 north | Western end of KY 122 concurrency |
| McDowell | 6.773 | 10.900 | KY 122 south | Eastern end of KY 122 concurrency |
| ​ | 7.668 | 12.340 | KY 1929 south | Northern terminus of KY 1929 |
| ​ | 12.214 | 19.657 | KY 979 south | Western end of KY 979 concurrency |
| ​ | 14.871 | 23.933 | KY 979 north | Eastern end of KY 979 concurrency |
| ​ | 15.640 | 25.170 | KY 979 south | Western end of second KY 979 concurrency |
| ​ | 15.688 | 25.247 | KY 979 north | Eastern end of second KY 979 concurrency |
| Harold | 18.030 | 29.016 | KY 979 south / KY 1426 east | Western end of KY 1426 concurrency; northern terminus of KY 979 |
| Harold | 18.185 | 29.266 | KY 1426 west | Eastern end of KY 1426 concurrency |
| Harold | 18.728 | 30.140 | US 23 / US 460 / KY 80 | Eastern terminus |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus |||||
