| Mountain Ash to Stephenville (Texas) | 4,701.02 mi (7,565.57 km) |
| Mountain Ash to Sterling (Colorado) | 4,456.21 mi (7,171.58 km) |
| Mountain Ash to Sterling (Illinois) | 3,900.45 mi (6,277.16 km) |
| Mountain Ash to Sterling (Virginia) | 3,538.59 mi (5,694.81 km) |
| Mountain Ash to Sterling Heights (Michigan) | 3,606.80 mi (5,804.59 km) |
| Mountain Ash to Steubenville (Ohio) | 3,610.13 mi (5,809.94 km) |
| Mountain Ash to Stevens Point (Wisconsin) | 3,770.62 mi (6,068.22 km) |
| Mountain Ash to Stevenson Ranch (California) | 5,319.13 mi (8,560.31 km) |
| Mountain Ash to Stillwater (Minnesota) | 3,867.66 mi (6,224.39 km) |
| Mountain Ash to Stillwater (Oklahoma) | 4,457.24 mi (7,173.23 km) |
| Mountain Ash to Stockbridge (Georgia) | 4,074.29 mi (6,556.93 km) |
| Mountain Ash to Stockton (California) | 5,202.39 mi (8,372.44 km) |
| Mountain Ash to Stone Ridge (Virginia) | 3,548.16 mi (5,710.21 km) |
| Mountain Ash to Stonecrest (Georgia) | 4,062.82 mi (6,538.47 km) |
| Mountain Ash to Stony Brook (New York) | 3,279.94 mi (5,278.55 km) |
