| Cobh to Silver Firs (Washington) | 4,521.79 mi (7,277.12 km) |
| Cobh to Silver Spring (Maryland) | 3,316.55 mi (5,337.48 km) |
| Cobh to Silver Springs Shores (Florida) | 3,988.75 mi (6,419.27 km) |
| Cobh to Silverdale (Washington) | 4,547.82 mi (7,319.00 km) |
| Cobh to Silverton (Oregon) | 4,696.28 mi (7,557.93 km) |
| Cobh to Simi Valley (California) | 5,159.11 mi (8,302.79 km) |
| Cobh to Simpsonville (South Carolina) | 3,728.61 mi (6,000.62 km) |
| Cobh to Sioux City (Iowa) | 3,930.00 mi (6,324.72 km) |
| Cobh to Sioux Falls (South Dakota) | 3,894.18 mi (6,267.08 km) |
| Cobh to Skokie (Illinois) | 3,618.07 mi (5,822.72 km) |
| Cobh to Sleepy Hollow (New York) | 3,096.39 mi (4,983.16 km) |
| Cobh to Slidell (Louisiana) | 4,256.27 mi (6,849.80 km) |
| Cobh to Smithfield (North Carolina) | 3,528.70 mi (5,678.89 km) |
| Cobh to Smithfield (Utah) | 4,516.22 mi (7,268.16 km) |
| Cobh to Smithville (Missouri) | 4,006.75 mi (6,448.25 km) |
