| Mill Valley to Johnstown (Pennsylvania) | 2,320.74 mi (3,734.86 km) |
| Mill Valley to Joliet (Illinois) | 1,832.63 mi (2,949.34 km) |
| Mill Valley to Jonesboro (Arkansas) | 1,758.67 mi (2,830.31 km) |
| Mill Valley to Joplin (Missouri) | 1,532.48 mi (2,466.29 km) |
| Mill Valley to Joppatowne (Maryland) | 2,466.65 mi (3,969.69 km) |
| Mill Valley to Juana Díaz (Puerto Rico) | 3,623.85 mi (5,832.02 km) |
| Mill Valley to Junction City (Kansas) | 1,387.35 mi (2,232.73 km) |
| Mill Valley to Juneau (Alaska) | 1,512.32 mi (2,433.85 km) |
| Mill Valley to Jupiter (Florida) | 2,564.39 mi (4,126.99 km) |
| Mill Valley to Jupiter Farms (Florida) | 2,558.56 mi (4,117.60 km) |
| Mill Valley to Jurupa Valley (California) | 391.47 mi (630.02 km) |
| Mill Valley to Justice (Illinois) | 1,847.91 mi (2,973.93 km) |
| Mill Valley to Kahului (Hawaii) | 2,337.62 mi (3,762.03 km) |
| Mill Valley to Kailua (Hawaii) | 2,381.64 mi (3,832.87 km) |
| Mill Valley to Kalamazoo (Michigan) | 1,960.78 mi (3,155.58 km) |
