| Waterloo to Ukiah (California) | 5,465.32 mi (8,795.59 km) |
| Waterloo to Union (Missouri) | 4,437.94 mi (7,142.17 km) |
| Waterloo to Union City (California) | 5,523.55 mi (8,889.30 km) |
| Waterloo to Union City (Georgia) | 4,423.72 mi (7,119.30 km) |
| Waterloo to Union City (New Jersey) | 3,662.38 mi (5,894.04 km) |
| Waterloo to Union City (Tennessee) | 4,462.59 mi (7,181.85 km) |
| Waterloo to Union Hill-Novelty Hill (Washington) | 4,932.01 mi (7,937.31 km) |
| Waterloo to Union Park (Florida) | 4,534.75 mi (7,297.97 km) |
| Waterloo to Uniondale (New York) | 3,646.75 mi (5,868.88 km) |
| Waterloo to Universal City (Texas) | 5,174.04 mi (8,326.82 km) |
| Waterloo to University (Florida) | 4,609.48 mi (7,418.25 km) |
| Waterloo to University City (Missouri) | 4,401.75 mi (7,083.93 km) |
| Waterloo to University Heights (Ohio) | 3,929.11 mi (6,323.30 km) |
| Waterloo to University of California-Santa Barbara (California) | 5,648.06 mi (9,089.68 km) |
| Waterloo to University Park (Texas) | 4,942.42 mi (7,954.06 km) |
