| Ashtabula to Silver Firs (Washington) | 2,041.02 mi (3,284.70 km) |
| Ashtabula to Silver Spring (Maryland) | 281.00 mi (452.23 km) |
| Ashtabula to Silver Springs Shores (Florida) | 884.80 mi (1,423.95 km) |
| Ashtabula to Silverdale (Washington) | 2,066.72 mi (3,326.06 km) |
| Ashtabula to Silverton (Oregon) | 2,093.46 mi (3,369.09 km) |
| Ashtabula to Simi Valley (California) | 2,111.70 mi (3,398.45 km) |
| Ashtabula to Simpsonville (South Carolina) | 500.41 mi (805.33 km) |
| Ashtabula to Sioux City (Iowa) | 798.21 mi (1,284.59 km) |
| Ashtabula to Sioux Falls (South Dakota) | 815.69 mi (1,312.72 km) |
| Ashtabula to Skokie (Illinois) | 356.72 mi (574.09 km) |
| Ashtabula to Sleepy Hollow (New York) | 362.48 mi (583.36 km) |
| Ashtabula to Slidell (Louisiana) | 943.78 mi (1,518.87 km) |
| Ashtabula to Smithfield (North Carolina) | 459.27 mi (739.12 km) |
| Ashtabula to Smithfield (Utah) | 1,587.92 mi (2,555.52 km) |
| Ashtabula to Smithville (Missouri) | 741.61 mi (1,193.50 km) |
