Florida State Road 397

State Road 397
State Road 397
Eglin Boulevard, John Sims Parkway
Route information
	Maintained by FDOT
Length	3.199 mi (5.148 km)
Southern segment
Length	0.899 mi (1,447 m)
South end	SR 85 in Eglin AFB
Major intersections	SR 189 in Eglin AFB
North end	Eglin AFB gate in Eglin AFB
Northern segment
Length	2.300 mi (3.701 km)
South end	Eglin AFB gate in Valparaiso
Major intersections	SR 190 in Valparaiso
North end	SR 85 in Niceville
Location
Country	United States
State	Florida
County	Okaloosa
Highway system
	Florida State Highway System; Interstate; US; State Former; Pre‑1945; ; Toll; Scenic;

State Road 397 (SR 397) is a 3.199-mile-long (5.148 km) state highway in Okaloosa County, Florida, that runs from Florida State Road 85 on the northern border of Eglin Air Force Base to Florida State Road 85 in western Niceville via Valparaiso. SR 397 is split into two segments by Eglin AFB.

Major intersections

The entire route is in Okaloosa County.

Location	mi^[1]^[2]^[3]	km	Destinations	Notes
Eglin AFB	0.000	0.000	SR 85 south (Eglin Parkway)	Southern terminus; no access from SR 397 south to SR 85 north or from SR 85 south to SR 397 north
	0.838	1.349	SR 189 south (Pinchot Road) / Eglin AFB exit	Northern terminus of SR 189
	0.899	1.447	Eglin AFB gate	Northern terminus of southern segment
Gap in route
Valparaiso	0.000	0.000	Eglin AFB E gate	Southern terminus of northern segment
Valparaiso	1.400	2.253	SR 190 west (Valparaiso Parkway)	Eastern terminus of SR 190
Niceville	2.300	3.701	SR 85 (Government Avenue / West John Sims Parkway)	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi