| South San Francisco to Hutchinson (Kansas) | 1,333.51 mi (2,146.08 km) |
| South San Francisco to Hutchinson (Minnesota) | 1,530.54 mi (2,463.16 km) |
| South San Francisco to Hutto (Texas) | 1,500.34 mi (2,414.56 km) |
| South San Francisco to Hyattsville (Maryland) | 2,440.73 mi (3,927.97 km) |
| South San Francisco to Hybla Valley (Virginia) | 2,437.28 mi (3,922.42 km) |
| South San Francisco to Idaho Falls (Idaho) | 676.95 mi (1,089.44 km) |
| South San Francisco to Idylwood (Virginia) | 2,428.65 mi (3,908.53 km) |
| South San Francisco to Ilchester (Maryland) | 2,446.67 mi (3,937.53 km) |
| South San Francisco to Immokalee (Florida) | 2,500.95 mi (4,024.90 km) |
| South San Francisco to Imperial (California) | 509.60 mi (820.11 km) |
| South San Francisco to Imperial Beach (California) | 461.56 mi (742.81 km) |
| South San Francisco to Independence (Kentucky) | 2,040.49 mi (3,283.85 km) |
| South San Francisco to Independence (Missouri) | 1,517.71 mi (2,442.51 km) |
| South San Francisco to Indian Trail (North Carolina) | 2,312.02 mi (3,720.83 km) |
| South San Francisco to Indiana (Pennsylvania) | 2,304.28 mi (3,708.38 km) |
