| Pittsburgh to Hutchinson (Kansas) | 971.55 mi (1,563.56 km) |
| Pittsburgh to Hutchinson (Minnesota) | 792.11 mi (1,274.78 km) |
| Pittsburgh to Hutto (Texas) | 1,198.29 mi (1,928.47 km) |
| Pittsburgh to Hyattsville (Maryland) | 190.33 mi (306.31 km) |
| Pittsburgh to Hybla Valley (Virginia) | 193.37 mi (311.20 km) |
| Pittsburgh to Idaho Falls (Idaho) | 1,650.17 mi (2,655.69 km) |
| Pittsburgh to Idylwood (Virginia) | 182.16 mi (293.16 km) |
| Pittsburgh to Ilchester (Maryland) | 189.96 mi (305.71 km) |
| Pittsburgh to Immokalee (Florida) | 971.86 mi (1,564.05 km) |
| Pittsburgh to Imperial (California) | 2,027.21 mi (3,262.47 km) |
| Pittsburgh to Imperial Beach (California) | 2,116.38 mi (3,405.98 km) |
| Pittsburgh to Independence (Kentucky) | 263.93 mi (424.76 km) |
| Pittsburgh to Independence (Missouri) | 768.24 mi (1,236.37 km) |
| Pittsburgh to Indian Trail (North Carolina) | 372.81 mi (599.98 km) |
| Pittsburgh to Indiana (Pennsylvania) | 44.92 mi (72.29 km) |
