Question: How long in kilometers , is the road in Essex County , New York , that is the end of route CR 10A ?

text: List of highways in Essex County, New York
List of county routes
County routes in Essex County are signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker .
The highway system of Essex County, New York, comprises 1,367.8 miles (2,201.3 km) of roads maintained by the New York State Department of Transportation, the county, and its towns and villages. Eighteen state-maintained highways enter the county, which account for a combined 329.4 miles (530.1 km) of the state highway mileage in New York. The state roads are supplemented by 356.7 miles (574.1 km) of county-maintained highways, most of which serve as collector roads between state highways. Several highways within the borders of the county serve as connections to ferry landings and bridges across Lake Champlain. Essex County is served by one Interstate Highway, I-87, known locally as the Adirondack Northway. US 9, the only United States Numbered Highway in the county, closely parallels I-87 as both highways head north-south across the county. Essex County is also served by 11 state touring routes and six reference routes, the latter of which are short unsigned connectors. The longest touring route in Essex County is NY 9N, which runs for 67.69 miles (108.94 km) through the county. The county's shortest touring route is NY 373, which runs for 3.20 miles (5.15 km) in the northeastern part of Essex County.
Route Length ( mi ) Length ( km ) From Via To
CR 2 9.86 15.87 NY 74 in Ticonderoga Corduroy and Creek roads NY 9N / NY 22 / CR 45 in Crown Point
CR 3 2.14 3.44 Warren County line Black Point Road in Ticonderoga South of Colonial Street
CR 4 ( 1 ) 15.21 24.48 US 9 in North Hudson Caza Turn , Ensign Pond , and Dugway roads and Broad Street Port Henry village line in Moriah
CR 4 ( 2 ) 0.16 0.26 CR 4 ( segment 1 ) Caza Turn Road in North Hudson US 9
CR 5 2.86 4.60 CR 77 Baldwin Road in Ticonderoga Dead end
CR 6 8.06 12.97 US 9 in North Hudson Tracy and Power House roads CR 79 in Moriah
CR 6A 2.88 4.63 CR 70 Silver Hill Road in Moriah CR 70
CR 7 26.23 42.21 NY 9N / NY 22 in Ticonderoga Vineyard , Bradford Hill , White Church , Moriah , Center , Plank , Fisher Hill , and Lincoln Pond roads NY 9N in Elizabethtown
CR 7B 1.46 2.35 CR 7 Bartlett Pond Road in Moriah Dead end
CR 8 7.16 11.52 US 9 in Elizabethtown Elizabethtown-Wadhams Road NY 22 in Westport
CR 10 12.11 19.49 Cross Street in Elizabethtown Fox Run and Lewis-Wadhams roads NY 22 in Westport
CR 10A 1.09 1.75 NY 9N Water Street in Elizabethtown US 9 / NY 9N
CR 11 0.41 0.66 Warren County line ( becomes CR 21A ) Trout Brook Road in Ticonderoga NY 9N
CR 12 11.49 18.49 Seventy Road in Lewis Wells Hill Road , Stowersville Road , and Jersey Street NY 22 in Essex
CR 13 6.17 9.93 NY 9N Hurricane Road in Keene NY 9N / NY 73
CR 14 3.68 5.92 US 9 in Lewis Deerhead Road CR 57 in Willsboro
CR 15 2.66 4.28 Dead end at Augur Lake Augur Lake Road in Chesterfield US 9 / NY 22
CR 16 3.06 4.92 Keeseville village line Clinton Street and Port Douglas Road in Chesterfield Colear Bay Road at Lake Champlain
CR 17 2.08 3.35 Keeseville village line Soper Road in Chesterfield NY 373
CR 18 5.87 9.45 NY 3 River Road in St. Armand Franklin County line ( becomes CR 48 )