| Waterloo to Willow Grove (Pennsylvania) | 3,733.68 mi (6,008.78 km) |
| Waterloo to Willowbrook (California) | 5,627.43 mi (9,056.47 km) |
| Waterloo to Willowick (Ohio) | 3,920.17 mi (6,308.91 km) |
| Waterloo to Wilmette (Illinois) | 4,139.28 mi (6,661.52 km) |
| Waterloo to Wilmington (Delaware) | 3,768.89 mi (6,065.44 km) |
| Waterloo to Wilmington (North Carolina) | 4,119.92 mi (6,630.38 km) |
| Waterloo to Wilmington (Ohio) | 4,113.26 mi (6,619.66 km) |
| Waterloo to Wilmington Island (Georgia) | 4,354.36 mi (7,007.66 km) |
| Waterloo to Wilson (North Carolina) | 4,049.94 mi (6,517.75 km) |
| Waterloo to Wilsonville (Oregon) | 5,089.33 mi (8,190.49 km) |
| Waterloo to Wilton Manors (Florida) | 4,608.77 mi (7,417.11 km) |
| Waterloo to Wimauma (Florida) | 4,623.12 mi (7,440.19 km) |
| Waterloo to Winchester (Kentucky) | 4,195.83 mi (6,752.53 km) |
| Waterloo to Winchester (Nevada) | 5,403.10 mi (8,695.45 km) |
| Waterloo to Winchester (Virginia) | 3,901.07 mi (6,278.17 km) |
