| Waterloo to Spout Springs (North Carolina) | 4,117.02 mi (6,625.71 km) |
| Waterloo to Spring (Texas) | 5,033.86 mi (8,101.22 km) |
| Waterloo to Spring Creek (Nevada) | 5,154.64 mi (8,295.59 km) |
| Waterloo to Spring Hill (Florida) | 4,593.36 mi (7,392.30 km) |
| Waterloo to Spring Hill (Tennessee) | 4,412.41 mi (7,101.08 km) |
| Waterloo to Spring Lake (North Carolina) | 4,119.67 mi (6,629.97 km) |
| Waterloo to Spring Valley (California) | 5,656.99 mi (9,104.05 km) |
| Waterloo to Spring Valley (Nevada) | 5,409.44 mi (8,705.64 km) |
| Waterloo to Spring Valley (New York) | 3,647.95 mi (5,870.80 km) |
| Waterloo to Springboro (Ohio) | 4,123.84 mi (6,636.67 km) |
| Waterloo to Springdale (Arkansas) | 4,670.38 mi (7,516.25 km) |
| Waterloo to Springdale (New Jersey) | 3,739.72 mi (6,018.50 km) |
| Waterloo to Springdale (Ohio) | 4,146.00 mi (6,672.34 km) |
| Waterloo to Springfield (Illinois) | 4,322.14 mi (6,955.81 km) |
| Waterloo to Springfield (Massachusetts) | 3,543.93 mi (5,703.41 km) |
