| Mountain Ash to Salisbury (New York) | 3,304.60 mi (5,318.24 km) |
| Mountain Ash to Salisbury (North Carolina) | 3,818.29 mi (6,144.94 km) |
| Mountain Ash to Salmon Creek (Washington) | 4,803.58 mi (7,730.62 km) |
| Mountain Ash to Salt Lake City (Utah) | 4,747.60 mi (7,640.53 km) |
| Mountain Ash to Sammamish (Washington) | 4,680.17 mi (7,532.00 km) |
| Mountain Ash to San Angelo (Texas) | 4,827.57 mi (7,769.22 km) |
| Mountain Ash to San Anselmo (California) | 5,240.63 mi (8,433.98 km) |
| Mountain Ash to San Antonio (Texas) | 4,855.57 mi (7,814.29 km) |
| Mountain Ash to San Benito (Texas) | 4,995.02 mi (8,038.71 km) |
| Mountain Ash to San Bernardino (California) | 5,290.29 mi (8,513.89 km) |
| Mountain Ash to San Bruno (California) | 5,256.84 mi (8,460.06 km) |
| Mountain Ash to San Buenaventura (California) | 5,346.71 mi (8,604.70 km) |
| Mountain Ash to San Carlos (California) | 5,259.13 mi (8,463.75 km) |
| Mountain Ash to San Carlos Park (Florida) | 4,321.64 mi (6,955.02 km) |
| Mountain Ash to San Clemente (California) | 5,339.72 mi (8,593.45 km) |
