| Guaynabo to Ukiah (California) | 3,676.47 mi (5,916.71 km) |
| Guaynabo to Union (Missouri) | 2,038.11 mi (3,280.02 km) |
| Guaynabo to Union City (California) | 3,601.76 mi (5,796.47 km) |
| Guaynabo to Union City (Georgia) | 1,549.85 mi (2,494.24 km) |
| Guaynabo to Union City (New Jersey) | 1,616.36 mi (2,601.28 km) |
| Guaynabo to Union City (Tennessee) | 1,870.23 mi (3,009.84 km) |
| Guaynabo to Union Hill-Novelty Hill (Washington) | 3,714.06 mi (5,977.21 km) |
| Guaynabo to Union Park (Florida) | 1,186.92 mi (1,910.17 km) |
| Guaynabo to Uniondale (New York) | 1,605.74 mi (2,584.19 km) |
| Guaynabo to Universal City (Texas) | 2,165.07 mi (3,484.35 km) |
| Guaynabo to University (Florida) | 1,231.74 mi (1,982.29 km) |
| Guaynabo to University City (Missouri) | 2,018.65 mi (3,248.70 km) |
| Guaynabo to University Heights (Ohio) | 1,837.92 mi (2,957.84 km) |
| Guaynabo to University of California-Santa Barbara (California) | 3,462.70 mi (5,572.68 km) |
| Guaynabo to University Park (Texas) | 2,145.47 mi (3,452.80 km) |
