| Montecatini Terme to Superior (Colorado) | 5,407.96 mi (8,703.27 km) |
| Montecatini Terme to Superior (Wisconsin) | 4,613.21 mi (7,424.25 km) |
| Montecatini Terme to Surprise (Arizona) | 5,997.32 mi (9,651.76 km) |
| Montecatini Terme to Susanville (California) | 5,874.76 mi (9,454.51 km) |
| Montecatini Terme to Sussex (Wisconsin) | 4,625.01 mi (7,443.23 km) |
| Montecatini Terme to Suwanee (Georgia) | 4,854.50 mi (7,812.57 km) |
| Montecatini Terme to Swansea (Illinois) | 4,900.50 mi (7,886.59 km) |
| Montecatini Terme to Sweetwater (Florida) | 5,059.96 mi (8,143.22 km) |
| Montecatini Terme to Sweetwater (Texas) | 5,612.61 mi (9,032.62 km) |
| Montecatini Terme to Sycamore (Illinois) | 4,693.19 mi (7,552.95 km) |
| Montecatini Terme to Sylacauga (Alabama) | 4,989.38 mi (8,029.64 km) |
| Montecatini Terme to Sylvania (Ohio) | 4,506.04 mi (7,251.77 km) |
| Montecatini Terme to Syosset (New York) | 4,111.15 mi (6,616.25 km) |
| Montecatini Terme to Syracuse (New York) | 4,138.91 mi (6,660.93 km) |
| Montecatini Terme to Syracuse (Utah) | 5,578.48 mi (8,977.70 km) |
