| Waterloo to San Luis Obispo (California) | 5,622.28 mi (9,048.19 km) |
| Waterloo to San Marcos (California) | 5,639.90 mi (9,076.54 km) |
| Waterloo to San Marcos (Texas) | 5,142.70 mi (8,276.38 km) |
| Waterloo to San Marino (California) | 5,611.92 mi (9,031.52 km) |
| Waterloo to San Mateo (California) | 5,534.89 mi (8,907.54 km) |
| Waterloo to San Pablo (California) | 5,511.43 mi (8,869.79 km) |
| Waterloo to San Rafael (California) | 5,514.83 mi (8,875.26 km) |
| Waterloo to San Ramon (California) | 5,511.83 mi (8,870.44 km) |
| Waterloo to San Tan Valley (Arizona) | 5,454.67 mi (8,778.44 km) |
| Waterloo to Sand Springs (Oklahoma) | 4,747.14 mi (7,639.79 km) |
| Waterloo to Sandusky (Ohio) | 3,976.73 mi (6,399.93 km) |
| Waterloo to Sandy (Oregon) | 5,071.34 mi (8,161.54 km) |
| Waterloo to Sandy (Utah) | 5,050.23 mi (8,127.56 km) |
| Waterloo to Sandy Springs (Georgia) | 4,399.15 mi (7,079.75 km) |
| Waterloo to Sanford (Florida) | 4,525.31 mi (7,282.79 km) |
