| Troy to Hutchinson (Kansas) | 836.43 mi (1,346.10 km) |
| Troy to Hutchinson (Minnesota) | 582.31 mi (937.14 km) |
| Troy to Hutto (Texas) | 1,150.37 mi (1,851.34 km) |
| Troy to Hyattsville (Maryland) | 409.09 mi (658.37 km) |
| Troy to Hybla Valley (Virginia) | 413.49 mi (665.46 km) |
| Troy to Idaho Falls (Idaho) | 1,453.07 mi (2,338.49 km) |
| Troy to Idylwood (Virginia) | 402.05 mi (647.04 km) |
| Troy to Ilchester (Maryland) | 405.91 mi (653.25 km) |
| Troy to Immokalee (Florida) | 1,120.52 mi (1,803.30 km) |
| Troy to Imperial (California) | 1,881.91 mi (3,028.64 km) |
| Troy to Imperial Beach (California) | 1,968.87 mi (3,168.59 km) |
| Troy to Independence (Kentucky) | 261.38 mi (420.64 km) |
| Troy to Independence (Missouri) | 632.90 mi (1,018.55 km) |
| Troy to Indian Trail (North Carolina) | 536.11 mi (862.79 km) |
| Troy to Indiana (Pennsylvania) | 246.62 mi (396.89 km) |
