| Sycamore to Johnstown (Pennsylvania) | 520.46 mi (837.59 km) |
| Sycamore to Joliet (Illinois) | 42.87 mi (69.00 km) |
| Sycamore to Jonesboro (Arkansas) | 439.88 mi (707.92 km) |
| Sycamore to Joplin (Missouri) | 459.91 mi (740.15 km) |
| Sycamore to Joppatowne (Maryland) | 669.25 mi (1,077.06 km) |
| Sycamore to Juana Díaz (Puerto Rico) | 2,106.97 mi (3,390.85 km) |
| Sycamore to Junction City (Kansas) | 475.31 mi (764.93 km) |
| Sycamore to Juneau (Alaska) | 2,250.10 mi (3,621.19 km) |
| Sycamore to Jupiter (Florida) | 1,148.85 mi (1,848.89 km) |
| Sycamore to Jupiter Farms (Florida) | 1,146.19 mi (1,844.62 km) |
| Sycamore to Jurupa Valley (California) | 1,652.55 mi (2,659.52 km) |
| Sycamore to Justice (Illinois) | 46.81 mi (75.33 km) |
| Sycamore to Kahului (Hawaii) | 4,141.02 mi (6,664.33 km) |
| Sycamore to Kailua (Hawaii) | 4,184.88 mi (6,734.91 km) |
| Sycamore to Kalamazoo (Michigan) | 159.68 mi (256.98 km) |
