| Mill Valley to Superior (Colorado) | 943.32 mi (1,518.12 km) |
| Mill Valley to Superior (Wisconsin) | 1,657.92 mi (2,668.16 km) |
| Mill Valley to Surprise (Arizona) | 635.96 mi (1,023.47 km) |
| Mill Valley to Susanville (California) | 201.98 mi (325.06 km) |
| Mill Valley to Sussex (Wisconsin) | 1,825.01 mi (2,937.06 km) |
| Mill Valley to Suwanee (Georgia) | 2,152.30 mi (3,463.79 km) |
| Mill Valley to Swansea (Illinois) | 1,758.26 mi (2,829.65 km) |
| Mill Valley to Sweetwater (Florida) | 2,588.07 mi (4,165.09 km) |
| Mill Valley to Sweetwater (Texas) | 1,301.44 mi (2,094.47 km) |
| Mill Valley to Sycamore (Illinois) | 1,803.51 mi (2,902.46 km) |
| Mill Valley to Sylacauga (Alabama) | 2,052.64 mi (3,303.40 km) |
| Mill Valley to Sylvania (Ohio) | 2,060.16 mi (3,315.50 km) |
| Mill Valley to Syosset (New York) | 2,593.15 mi (4,173.27 km) |
| Mill Valley to Syracuse (New York) | 2,432.93 mi (3,915.42 km) |
| Mill Valley to Syracuse (Utah) | 599.45 mi (964.73 km) |
