| Simi Valley to Stephenville (Texas) | 1,192.69 mi (1,919.44 km) |
| Simi Valley to Sterling (Colorado) | 957.75 mi (1,541.35 km) |
| Simi Valley to Sterling (Illinois) | 1,655.32 mi (2,663.98 km) |
| Simi Valley to Sterling (Virginia) | 2,295.70 mi (3,694.57 km) |
| Simi Valley to Sterling Heights (Michigan) | 2,000.41 mi (3,219.34 km) |
| Simi Valley to Steubenville (Ohio) | 2,118.50 mi (3,409.39 km) |
| Simi Valley to Stevens Point (Wisconsin) | 1,700.52 mi (2,736.72 km) |
| Simi Valley to Stevenson Ranch (California) | 12.51 mi (20.13 km) |
| Simi Valley to Stillwater (Minnesota) | 1,557.48 mi (2,506.52 km) |
| Simi Valley to Stillwater (Oklahoma) | 1,227.96 mi (1,976.21 km) |
| Simi Valley to Stockbridge (Georgia) | 1,970.83 mi (3,171.74 km) |
| Simi Valley to Stockton (California) | 293.50 mi (472.34 km) |
| Simi Valley to Stone Ridge (Virginia) | 2,288.08 mi (3,682.31 km) |
| Simi Valley to Stonecrest (Georgia) | 1,973.92 mi (3,176.72 km) |
| Simi Valley to Stony Brook (New York) | 2,510.70 mi (4,040.59 km) |
