Distance from Simi Valley to Williston
The shortest distance (air line) between Simi Valley and Williston is 1,236.76 mi (1,990.37 km).
How far is Simi Valley from Williston
Simi Valley is located in California, United States within 34° 15' 58.68" N -119° 15' 3.6" W (34.2663, -118.7490) coordinates. The local time in Simi Valley is 05:04 (14.01.2026)
Williston is located in North Dakota, United States within 48° 10' 53.04" N -104° 21' 48.96" W (48.1814, -103.6364) coordinates. The local time in Williston is 07:04 (14.01.2026)
The calculated flying distance from Williston to Williston is 1,236.76 miles which is equal to 1,990.37 km.
Simi Valley, California, United States
Related Distances from Simi Valley
Williston, North Dakota, United States