| Waterloo to Seymour (Tennessee) | 4,280.57 mi (6,888.91 km) |
| Waterloo to Shady Hills (Florida) | 4,597.85 mi (7,399.52 km) |
| Waterloo to Shafter (California) | 5,566.05 mi (8,957.69 km) |
| Waterloo to Shaker Heights (Ohio) | 3,930.61 mi (6,325.70 km) |
| Waterloo to Shakopee (Minnesota) | 4,219.76 mi (6,791.04 km) |
| Waterloo to Sharon (Pennsylvania) | 3,900.37 mi (6,277.03 km) |
| Waterloo to Sharonville (Ohio) | 4,143.70 mi (6,668.64 km) |
| Waterloo to Shasta Lake (California) | 5,351.82 mi (8,612.93 km) |
| Waterloo to Shawnee (Kansas) | 4,551.65 mi (7,325.17 km) |
| Waterloo to Shawnee (Oklahoma) | 4,818.70 mi (7,754.94 km) |
| Waterloo to Sheboygan (Wisconsin) | 4,061.55 mi (6,536.43 km) |
| Waterloo to Shelby (North Carolina) | 4,218.97 mi (6,789.77 km) |
| Waterloo to Shelbyville (Indiana) | 4,185.16 mi (6,735.36 km) |
| Waterloo to Shelbyville (Kentucky) | 4,226.95 mi (6,802.62 km) |
| Waterloo to Shelbyville (Tennessee) | 4,406.18 mi (7,091.07 km) |
