| San Marino to Hamtramck (Michigan) | 1,970.31 mi (3,170.91 km) |
| San Marino to Hanahan (South Carolina) | 2,183.85 mi (3,514.57 km) |
| San Marino to Hanford (California) | 175.44 mi (282.35 km) |
| San Marino to Hannibal (Missouri) | 1,519.40 mi (2,445.23 km) |
| San Marino to Hanover (Pennsylvania) | 2,283.88 mi (3,675.55 km) |
| San Marino to Hanover Park (Illinois) | 1,708.30 mi (2,749.24 km) |
| San Marino to Happy Valley (Oregon) | 815.43 mi (1,312.31 km) |
| San Marino to Harker Heights (Texas) | 1,208.10 mi (1,944.26 km) |
| San Marino to Harlingen (Texas) | 1,333.80 mi (2,146.55 km) |
| San Marino to Harper Woods (Michigan) | 1,977.01 mi (3,181.70 km) |
| San Marino to Harrisburg (North Carolina) | 2,116.59 mi (3,406.32 km) |
| San Marino to Harrisburg (Pennsylvania) | 2,287.45 mi (3,681.30 km) |
| San Marino to Harrison (Arkansas) | 1,415.05 mi (2,277.31 km) |
| San Marino to Harrison (New Jersey) | 2,428.94 mi (3,909.01 km) |
| San Marino to Harrison (New York) | 2,450.37 mi (3,943.49 km) |
