| Mountain Ash to St. Simons (Georgia) | 4,070.20 mi (6,550.36 km) |
| Mountain Ash to Stafford (Texas) | 4,729.51 mi (7,611.40 km) |
| Mountain Ash to Stallings (North Carolina) | 3,851.44 mi (6,198.29 km) |
| Mountain Ash to Stamford (Connecticut) | 3,289.28 mi (5,293.59 km) |
| Mountain Ash to Stanford (California) | 5,260.23 mi (8,465.53 km) |
| Mountain Ash to Stanton (California) | 5,332.74 mi (8,582.22 km) |
| Mountain Ash to Star (Idaho) | 4,734.50 mi (7,619.43 km) |
| Mountain Ash to Starkville (Mississippi) | 4,265.17 mi (6,864.13 km) |
| Mountain Ash to State College (Pennsylvania) | 3,478.37 mi (5,597.89 km) |
| Mountain Ash to Staten Island (New York) | 3,335.78 mi (5,368.43 km) |
| Mountain Ash to Statesboro (Georgia) | 4,025.26 mi (6,478.04 km) |
| Mountain Ash to Statesville (North Carolina) | 3,828.45 mi (6,161.30 km) |
| Mountain Ash to Staunton (Virginia) | 3,644.55 mi (5,865.34 km) |
| Mountain Ash to Steamboat Springs (Colorado) | 4,590.83 mi (7,388.22 km) |
| Mountain Ash to Steiner Ranch (Texas) | 4,783.90 mi (7,698.94 km) |
