| San Marino to Isabela (Puerto Rico) | 3,306.12 mi (5,320.68 km) |
| San Marino to Iselin (New Jersey) | 2,421.13 mi (3,896.43 km) |
| San Marino to Isla Vista (California) | 101.82 mi (163.86 km) |
| San Marino to Issaquah (Washington) | 949.53 mi (1,528.12 km) |
| San Marino to Ithaca (New York) | 2,304.23 mi (3,708.31 km) |
| San Marino to Ives Estates (Florida) | 2,323.45 mi (3,739.23 km) |
| San Marino to Jackson (Michigan) | 1,900.76 mi (3,058.98 km) |
| San Marino to Jackson (Mississippi) | 1,612.55 mi (2,595.15 km) |
| San Marino to Jackson (Missouri) | 1,605.52 mi (2,583.84 km) |
| San Marino to Jackson (Tennessee) | 1,656.58 mi (2,666.01 km) |
| San Marino to Jackson (Wyoming) | 756.55 mi (1,217.55 km) |
| San Marino to Jacksonville (Alabama) | 1,846.55 mi (2,971.74 km) |
| San Marino to Jacksonville (Arkansas) | 1,476.26 mi (2,375.81 km) |
| San Marino to Jacksonville (Florida) | 2,134.54 mi (3,435.21 km) |
| San Marino to Jacksonville (Illinois) | 1,580.98 mi (2,544.34 km) |
