| Tigard to Hutchinson (Kansas) | 1,372.49 mi (2,208.81 km) |
| Tigard to Hutchinson (Minnesota) | 1,377.42 mi (2,216.75 km) |
| Tigard to Hutto (Texas) | 1,704.47 mi (2,743.07 km) |
| Tigard to Hyattsville (Maryland) | 2,355.29 mi (3,790.47 km) |
| Tigard to Hybla Valley (Virginia) | 2,355.64 mi (3,791.04 km) |
| Tigard to Idaho Falls (Idaho) | 546.25 mi (879.11 km) |
| Tigard to Idylwood (Virginia) | 2,345.36 mi (3,774.50 km) |
| Tigard to Ilchester (Maryland) | 2,356.51 mi (3,792.44 km) |
| Tigard to Immokalee (Florida) | 2,620.72 mi (4,217.64 km) |
| Tigard to Imperial (California) | 950.59 mi (1,529.82 km) |
| Tigard to Imperial Beach (California) | 938.20 mi (1,509.89 km) |
| Tigard to Independence (Kentucky) | 1,988.03 mi (3,199.42 km) |
| Tigard to Independence (Missouri) | 1,509.59 mi (2,429.45 km) |
| Tigard to Indian Trail (North Carolina) | 2,304.94 mi (3,709.44 km) |
| Tigard to Indiana (Pennsylvania) | 2,201.15 mi (3,542.41 km) |
