| Mountain Ash to Savannah (Georgia) | 4,020.32 mi (6,470.08 km) |
| Mountain Ash to Sayreville (New Jersey) | 3,348.01 mi (5,388.09 km) |
| Mountain Ash to Sayville (New York) | 3,284.85 mi (5,286.46 km) |
| Mountain Ash to Scaggsville (Maryland) | 3,511.14 mi (5,650.64 km) |
| Mountain Ash to Scarsdale (New York) | 3,303.10 mi (5,315.83 km) |
| Mountain Ash to Schaumburg (Illinois) | 3,827.97 mi (6,160.53 km) |
| Mountain Ash to Schenectady (New York) | 3,233.33 mi (5,203.54 km) |
| Mountain Ash to Schererville (Indiana) | 3,828.17 mi (6,160.85 km) |
| Mountain Ash to Schertz (Texas) | 4,839.59 mi (7,788.57 km) |
| Mountain Ash to Schiller Park (Illinois) | 3,823.01 mi (6,152.54 km) |
| Mountain Ash to Schofield Barracks (Hawaii) | 7,153.57 mi (11,512.56 km) |
| Mountain Ash to Scotchtown (New York) | 3,306.67 mi (5,321.56 km) |
| Mountain Ash to Scottdale (Georgia) | 4,062.66 mi (6,538.22 km) |
| Mountain Ash to Scotts Valley (California) | 5,276.61 mi (8,491.88 km) |
| Mountain Ash to Scottsbluff (Nebraska) | 4,409.39 mi (7,096.23 km) |
