| Waterloo to Storm Lake (Iowa) | 4,384.57 mi (7,056.29 km) |
| Waterloo to Storrs (Connecticut) | 3,545.26 mi (5,705.55 km) |
| Waterloo to Stoughton (Wisconsin) | 4,154.87 mi (6,686.62 km) |
| Waterloo to Stow (Ohio) | 3,939.64 mi (6,340.24 km) |
| Waterloo to Streamwood (Illinois) | 4,158.78 mi (6,692.90 km) |
| Waterloo to Streator (Illinois) | 4,225.85 mi (6,800.85 km) |
| Waterloo to Streetsboro (Ohio) | 3,933.29 mi (6,330.03 km) |
| Waterloo to Strongsville (Ohio) | 3,948.95 mi (6,355.22 km) |
| Waterloo to Stuart (Florida) | 4,561.26 mi (7,340.64 km) |
| Waterloo to Stuarts Draft (Virginia) | 3,988.77 mi (6,419.30 km) |
| Waterloo to Sturgis (Michigan) | 4,064.95 mi (6,541.91 km) |
| Waterloo to Suamico (Wisconsin) | 4,032.42 mi (6,489.55 km) |
| Waterloo to Sudley (Virginia) | 3,891.15 mi (6,262.20 km) |
| Waterloo to Suffern (New York) | 3,651.80 mi (5,877.00 km) |
| Waterloo to Suffolk (Virginia) | 3,951.98 mi (6,360.09 km) |
