| Piacenza to Joliet (Illinois) | 4,602.77 mi (7,407.45 km) |
| Piacenza to Jonesboro (Arkansas) | 4,966.48 mi (7,992.78 km) |
| Piacenza to Joplin (Missouri) | 5,060.34 mi (8,143.83 km) |
| Piacenza to Joppatowne (Maryland) | 4,204.91 mi (6,767.16 km) |
| Piacenza to Juana Díaz (Puerto Rico) | 4,677.44 mi (7,527.61 km) |
| Piacenza to Junction City (Kansas) | 5,056.49 mi (8,137.63 km) |
| Piacenza to Juneau (Alaska) | 4,993.12 mi (8,035.65 km) |
| Piacenza to Jupiter (Florida) | 4,918.56 mi (7,915.66 km) |
| Piacenza to Jupiter Farms (Florida) | 4,923.34 mi (7,923.34 km) |
| Piacenza to Jurupa Valley (California) | 6,052.52 mi (9,740.58 km) |
| Piacenza to Justice (Illinois) | 4,580.04 mi (7,370.87 km) |
| Piacenza to Kahului (Hawaii) | 7,799.34 mi (12,551.83 km) |
| Piacenza to Kailua (Hawaii) | 7,778.36 mi (12,518.05 km) |
| Piacenza to Kalamazoo (Michigan) | 4,467.97 mi (7,190.51 km) |
| Piacenza to Kalispell (Montana) | 5,159.57 mi (8,303.53 km) |
