| San Marino to Indianapolis (Indiana) | 1,797.73 mi (2,893.17 km) |
| San Marino to Indianola (Iowa) | 1,425.49 mi (2,294.11 km) |
| San Marino to Indio (California) | 110.98 mi (178.60 km) |
| San Marino to Inglewood (California) | 17.51 mi (28.17 km) |
| San Marino to Inkster (Michigan) | 1,956.51 mi (3,148.71 km) |
| San Marino to Inver Grove Heights (Minnesota) | 1,518.18 mi (2,443.28 km) |
| San Marino to Inwood (New York) | 2,450.54 mi (3,943.76 km) |
| San Marino to Iona (Florida) | 2,207.14 mi (3,552.05 km) |
| San Marino to Ionia (Michigan) | 1,873.10 mi (3,014.46 km) |
| San Marino to Iowa City (Iowa) | 1,532.69 mi (2,466.63 km) |
| San Marino to Irmo (South Carolina) | 2,100.08 mi (3,379.75 km) |
| San Marino to Irondale (Alabama) | 1,798.43 mi (2,894.29 km) |
| San Marino to Ironton (Ohio) | 1,983.46 mi (3,192.07 km) |
| San Marino to Irvine (California) | 36.40 mi (58.58 km) |
| San Marino to Irving (Texas) | 1,219.26 mi (1,962.21 km) |
