| Waterloo to Roy (Utah) | 5,022.98 mi (8,083.71 km) |
| Waterloo to Royal Kunia (Hawaii) | 7,339.58 mi (11,811.91 km) |
| Waterloo to Royal Oak (Michigan) | 3,945.75 mi (6,350.07 km) |
| Waterloo to Royal Palm Beach (Florida) | 4,585.04 mi (7,378.91 km) |
| Waterloo to Royse City (Texas) | 4,917.75 mi (7,914.36 km) |
| Waterloo to Ruskin (Florida) | 4,627.55 mi (7,447.32 km) |
| Waterloo to Russellville (Alabama) | 4,505.77 mi (7,251.34 km) |
| Waterloo to Russellville (Arkansas) | 4,678.06 mi (7,528.61 km) |
| Waterloo to Ruston (Louisiana) | 4,798.54 mi (7,722.51 km) |
| Waterloo to Rutherford (New Jersey) | 3,663.07 mi (5,895.14 km) |
| Waterloo to Rutland (Vermont) | 3,498.95 mi (5,631.01 km) |
| Waterloo to Sabana Grande (Puerto Rico) | 4,446.69 mi (7,156.25 km) |
| Waterloo to Sachse (Texas) | 4,927.91 mi (7,930.70 km) |
| Waterloo to Saco (Maine) | 3,400.69 mi (5,472.89 km) |
| Waterloo to Sacramento (California) | 5,451.09 mi (8,772.69 km) |
