| Bourne to Silver Firs (Washington) | 4,689.47 mi (7,546.97 km) |
| Bourne to Silver Spring (Maryland) | 3,622.65 mi (5,830.09 km) |
| Bourne to Silver Springs Shores (Florida) | 4,307.16 mi (6,931.71 km) |
| Bourne to Silverdale (Washington) | 4,714.51 mi (7,587.28 km) |
| Bourne to Silverton (Oregon) | 4,871.21 mi (7,839.45 km) |
| Bourne to Simi Valley (California) | 5,378.04 mi (8,655.12 km) |
| Bourne to Simpsonville (South Carolina) | 4,035.79 mi (6,494.97 km) |
| Bourne to Sioux City (Iowa) | 4,186.02 mi (6,736.75 km) |
| Bourne to Sioux Falls (South Dakota) | 4,145.93 mi (6,672.22 km) |
| Bourne to Skokie (Illinois) | 3,894.87 mi (6,268.19 km) |
| Bourne to Sleepy Hollow (New York) | 3,402.23 mi (5,475.35 km) |
| Bourne to Slidell (Louisiana) | 4,559.06 mi (7,337.10 km) |
| Bourne to Smithfield (North Carolina) | 3,840.79 mi (6,181.15 km) |
| Bourne to Smithfield (Utah) | 4,734.14 mi (7,618.86 km) |
| Bourne to Smithville (Missouri) | 4,276.66 mi (6,882.61 km) |
