| San Marino to Jacksonville (North Carolina) | 2,304.90 mi (3,709.39 km) |
| San Marino to Jacksonville (Texas) | 1,329.09 mi (2,138.97 km) |
| San Marino to Jacksonville Beach (Florida) | 2,151.06 mi (3,461.80 km) |
| San Marino to James Island (South Carolina) | 2,190.47 mi (3,525.22 km) |
| San Marino to Jamestown (New York) | 2,164.06 mi (3,482.72 km) |
| San Marino to Jamestown (North Dakota) | 1,342.64 mi (2,160.76 km) |
| San Marino to Janesville (Wisconsin) | 1,672.83 mi (2,692.16 km) |
| San Marino to Jasmine Estates (Florida) | 2,120.78 mi (3,413.07 km) |
| San Marino to Jasper (Alabama) | 1,760.25 mi (2,832.85 km) |
| San Marino to Jasper (Indiana) | 1,753.11 mi (2,821.36 km) |
| San Marino to Jefferson (Georgia) | 1,964.18 mi (3,161.05 km) |
| San Marino to Jefferson (Louisiana) | 1,657.13 mi (2,666.89 km) |
| San Marino to Jefferson City (Missouri) | 1,470.56 mi (2,366.63 km) |
| San Marino to Jefferson Hills (Pennsylvania) | 2,126.81 mi (3,422.77 km) |
| San Marino to Jefferson Valley-Yorktown (New York) | 2,444.99 mi (3,934.84 km) |
