| Riehen to Ukiah (California) | 5,726.44 mi (9,215.82 km) |
| Riehen to Union (Missouri) | 4,676.44 mi (7,526.01 km) |
| Riehen to Union City (California) | 5,784.14 mi (9,308.68 km) |
| Riehen to Union City (Georgia) | 4,645.49 mi (7,476.19 km) |
| Riehen to Union City (New Jersey) | 3,883.86 mi (6,250.46 km) |
| Riehen to Union City (Tennessee) | 4,695.66 mi (7,556.94 km) |
| Riehen to Union Hill-Novelty Hill (Washington) | 5,193.56 mi (8,358.23 km) |
| Riehen to Union Park (Florida) | 4,740.53 mi (7,629.14 km) |
| Riehen to Uniondale (New York) | 3,867.50 mi (6,224.13 km) |
| Riehen to Universal City (Texas) | 5,409.27 mi (8,705.38 km) |
| Riehen to University (Florida) | 4,816.48 mi (7,751.38 km) |
| Riehen to University City (Missouri) | 4,639.84 mi (7,467.09 km) |
| Riehen to University Heights (Ohio) | 4,161.72 mi (6,697.65 km) |
| Riehen to University of California-Santa Barbara (California) | 5,906.99 mi (9,506.38 km) |
| Riehen to University Park (Texas) | 5,180.07 mi (8,336.52 km) |
