| Waterloo to Shoreview (Minnesota) | 4,192.87 mi (6,747.78 km) |
| Waterloo to Shorewood (Illinois) | 4,184.04 mi (6,733.56 km) |
| Waterloo to Shorewood (Wisconsin) | 4,097.55 mi (6,594.37 km) |
| Waterloo to Short Hills (New Jersey) | 3,675.63 mi (5,915.36 km) |
| Waterloo to Short Pump (Virginia) | 3,947.99 mi (6,353.67 km) |
| Waterloo to Show Low (Arizona) | 5,342.41 mi (8,597.78 km) |
| Waterloo to Shreveport (Louisiana) | 4,847.18 mi (7,800.79 km) |
| Waterloo to Sicklerville (New Jersey) | 3,746.41 mi (6,029.26 km) |
| Waterloo to Sidney (Ohio) | 4,087.11 mi (6,577.57 km) |
| Waterloo to Sierra Madre (California) | 5,607.29 mi (9,024.06 km) |
| Waterloo to Sierra Vista (Arizona) | 5,503.01 mi (8,856.23 km) |
| Waterloo to Sierra Vista Southeast (Arizona) | 5,505.78 mi (8,860.69 km) |
| Waterloo to Signal Hill (California) | 5,632.20 mi (9,064.15 km) |
| Waterloo to Sikeston (Missouri) | 4,460.90 mi (7,179.12 km) |
| Waterloo to Siloam Springs (Arkansas) | 4,684.78 mi (7,539.43 km) |
