| Civitavecchia to Joliet (Illinois) | 4,809.57 mi (7,740.26 km) |
| Civitavecchia to Jonesboro (Arkansas) | 5,167.44 mi (8,316.19 km) |
| Civitavecchia to Joplin (Missouri) | 5,267.03 mi (8,476.46 km) |
| Civitavecchia to Joppatowne (Maryland) | 4,396.29 mi (7,075.15 km) |
| Civitavecchia to Juana Díaz (Puerto Rico) | 4,799.62 mi (7,724.23 km) |
| Civitavecchia to Junction City (Kansas) | 5,267.76 mi (8,477.65 km) |
| Civitavecchia to Juneau (Alaska) | 5,219.59 mi (8,400.11 km) |
| Civitavecchia to Jupiter (Florida) | 5,088.94 mi (8,189.86 km) |
| Civitavecchia to Jupiter Farms (Florida) | 5,093.90 mi (8,197.83 km) |
| Civitavecchia to Jurupa Valley (California) | 6,275.61 mi (10,099.62 km) |
| Civitavecchia to Justice (Illinois) | 4,786.89 mi (7,703.76 km) |
| Civitavecchia to Kahului (Hawaii) | 8,021.70 mi (12,909.68 km) |
| Civitavecchia to Kailua (Hawaii) | 7,999.29 mi (12,873.61 km) |
| Civitavecchia to Kalamazoo (Michigan) | 4,673.62 mi (7,521.46 km) |
| Civitavecchia to Kalispell (Montana) | 5,387.24 mi (8,669.93 km) |
