| Ontario to Shelton (Connecticut) | 2,455.54 mi (3,951.81 km) |
| Ontario to Shelton (Washington) | 954.64 mi (1,536.34 km) |
| Ontario to Shenandoah (Louisiana) | 1,570.74 mi (2,527.86 km) |
| Ontario to Shepherdsville (Kentucky) | 1,794.97 mi (2,888.73 km) |
| Ontario to Sheridan (Wyoming) | 933.71 mi (1,502.66 km) |
| Ontario to Sherman (Texas) | 1,202.58 mi (1,935.37 km) |
| Ontario to Sherrelwood (Colorado) | 802.07 mi (1,290.81 km) |
| Ontario to Sherwood (Arkansas) | 1,444.69 mi (2,325.00 km) |
| Ontario to Sherwood (Oregon) | 829.72 mi (1,335.31 km) |
| Ontario to Shiloh (Illinois) | 1,566.96 mi (2,521.77 km) |
| Ontario to Shiloh (Ohio) | 1,874.64 mi (3,016.94 km) |
| Ontario to Shiloh (Pennsylvania) | 2,268.79 mi (3,651.26 km) |
| Ontario to Shirley (New York) | 2,471.35 mi (3,977.26 km) |
| Ontario to Shively (Kentucky) | 1,788.62 mi (2,878.50 km) |
| Ontario to Shoreline (Washington) | 979.01 mi (1,575.57 km) |
