| Mason City to Shelton (Connecticut) | 1,031.74 mi (1,660.43 km) |
| Mason City to Shelton (Washington) | 1,474.12 mi (2,372.37 km) |
| Mason City to Shenandoah (Louisiana) | 888.98 mi (1,430.68 km) |
| Mason City to Shepherdsville (Kentucky) | 531.01 mi (854.58 km) |
| Mason City to Sheridan (Wyoming) | 692.96 mi (1,115.22 km) |
| Mason City to Sherman (Texas) | 683.31 mi (1,099.68 km) |
| Mason City to Sherrelwood (Colorado) | 651.47 mi (1,048.43 km) |
| Mason City to Sherwood (Arkansas) | 575.82 mi (926.69 km) |
| Mason City to Sherwood (Oregon) | 1,466.54 mi (2,360.17 km) |
| Mason City to Shiloh (Illinois) | 360.84 mi (580.71 km) |
| Mason City to Shiloh (Ohio) | 517.80 mi (833.31 km) |
| Mason City to Shiloh (Pennsylvania) | 874.59 mi (1,407.51 km) |
| Mason City to Shirley (New York) | 1,054.00 mi (1,696.25 km) |
| Mason City to Shively (Kentucky) | 516.21 mi (830.77 km) |
| Mason City to Shoreline (Washington) | 1,438.80 mi (2,315.53 km) |
