K-61 is a 83.358-mile-long (134.152 km) north–south state highway in central Kansas. K-61's southern terminus is at U.S. Route 54 (US-54) and US-400 on the east side of Pratt. The northern terminus is at Interstate 135 (I-135) and US-81 south of McPherson. The highway travels mostly through rural areas; however, it does pass through South Hutchinson and Hutchinson, where it intersects K-14, K-96, and US-50. K-61 is signed as a north–south but runs in southwest to northeast direction.