| Rocky River to Johnstown (Pennsylvania) | 172.37 mi (277.40 km) |
| Rocky River to Joliet (Illinois) | 325.85 mi (524.40 km) |
| Rocky River to Jonesboro (Arkansas) | 615.23 mi (990.11 km) |
| Rocky River to Joplin (Missouri) | 740.63 mi (1,191.93 km) |
| Rocky River to Joppatowne (Maryland) | 322.05 mi (518.29 km) |
| Rocky River to Juana Díaz (Puerto Rico) | 1,854.83 mi (2,985.06 km) |
| Rocky River to Junction City (Kansas) | 807.63 mi (1,299.75 km) |
| Rocky River to Juneau (Alaska) | 2,521.08 mi (4,057.28 km) |
| Rocky River to Jupiter (Florida) | 1,010.16 mi (1,625.70 km) |
| Rocky River to Jupiter Farms (Florida) | 1,009.44 mi (1,624.54 km) |
| Rocky River to Jurupa Valley (California) | 1,998.14 mi (3,215.69 km) |
| Rocky River to Justice (Illinois) | 309.57 mi (498.20 km) |
| Rocky River to Kahului (Hawaii) | 4,494.78 mi (7,233.65 km) |
| Rocky River to Kailua (Hawaii) | 4,538.78 mi (7,304.46 km) |
| Rocky River to Kalamazoo (Michigan) | 200.06 mi (321.96 km) |
