| San Marino to Horizon West (Florida) | 2,178.84 mi (3,506.51 km) |
| San Marino to Hormigueros (Puerto Rico) | 3,312.75 mi (5,331.36 km) |
| San Marino to Horn Lake (Mississippi) | 1,593.04 mi (2,563.74 km) |
| San Marino to Hot Springs (Arkansas) | 1,427.00 mi (2,296.54 km) |
| San Marino to Hot Springs Village (Arkansas) | 1,430.66 mi (2,302.42 km) |
| San Marino to Houma (Louisiana) | 1,633.69 mi (2,629.17 km) |
| San Marino to Houston (Texas) | 1,362.40 mi (2,192.56 km) |
| San Marino to Howard (Wisconsin) | 1,746.01 mi (2,809.92 km) |
| San Marino to Huber Heights (Ohio) | 1,905.73 mi (3,066.98 km) |
| San Marino to Hudson (Florida) | 2,119.29 mi (3,410.67 km) |
| San Marino to Hudson (Ohio) | 2,048.50 mi (3,296.74 km) |
| San Marino to Hudson (Wisconsin) | 1,536.60 mi (2,472.92 km) |
| San Marino to Hueytown (Alabama) | 1,779.40 mi (2,863.67 km) |
| San Marino to Hugo (Minnesota) | 1,531.18 mi (2,464.20 km) |
| San Marino to Humacao (Puerto Rico) | 3,386.44 mi (5,449.95 km) |
