| Waterloo to Worthington (Ohio) | 4,051.45 mi (6,520.18 km) |
| Waterloo to Wright (Florida) | 4,664.86 mi (7,507.37 km) |
| Waterloo to Wyandanch (New York) | 3,635.94 mi (5,851.47 km) |
| Waterloo to Wyandotte (Michigan) | 3,959.34 mi (6,371.94 km) |
| Waterloo to Wylie (Texas) | 4,922.19 mi (7,921.49 km) |
| Waterloo to Wyndham (Virginia) | 3,945.95 mi (6,350.38 km) |
| Waterloo to Wyoming (Michigan) | 4,025.33 mi (6,478.14 km) |
| Waterloo to Wyomissing (Pennsylvania) | 3,760.07 mi (6,051.25 km) |
| Waterloo to Xenia (Ohio) | 4,106.67 mi (6,609.05 km) |
| Waterloo to Yakima (Washington) | 4,957.41 mi (7,978.18 km) |
| Waterloo to Yankton (South Dakota) | 4,449.44 mi (7,160.68 km) |
| Waterloo to Yauco (Puerto Rico) | 4,444.70 mi (7,153.06 km) |
| Waterloo to Yazoo City (Mississippi) | 4,694.19 mi (7,554.56 km) |
| Waterloo to Yeadon (Pennsylvania) | 3,748.66 mi (6,032.89 km) |
| Waterloo to Yelm (Washington) | 4,990.14 mi (8,030.85 km) |
