| Guaynabo to Joliet (Illinois) | 2,059.74 mi (3,314.83 km) |
| Guaynabo to Jonesboro (Arkansas) | 1,922.38 mi (3,093.78 km) |
| Guaynabo to Joplin (Missouri) | 2,149.28 mi (3,458.94 km) |
| Guaynabo to Joppatowne (Maryland) | 1,577.11 mi (2,538.11 km) |
| Guaynabo to Juana Díaz (Puerto Rico) | 34.33 mi (55.24 km) |
| Guaynabo to Junction City (Kansas) | 2,326.52 mi (3,744.17 km) |
| Guaynabo to Juneau (Alaska) | 4,351.66 mi (7,003.32 km) |
| Guaynabo to Jupiter (Florida) | 1,068.60 mi (1,719.74 km) |
| Guaynabo to Jupiter Farms (Florida) | 1,074.31 mi (1,728.93 km) |
| Guaynabo to Jurupa Valley (California) | 3,324.43 mi (5,350.16 km) |
| Guaynabo to Justice (Illinois) | 2,059.36 mi (3,314.22 km) |
| Guaynabo to Kahului (Hawaii) | 5,794.04 mi (9,324.61 km) |
| Guaynabo to Kailua (Hawaii) | 5,861.80 mi (9,433.66 km) |
| Guaynabo to Kalamazoo (Michigan) | 2,007.62 mi (3,230.95 km) |
| Guaynabo to Kalispell (Montana) | 3,383.20 mi (5,444.74 km) |
