| Thetford to Hilliard (Ohio) | 3,868.40 mi (6,225.59 km) |
| Thetford to Hillsboro (Oregon) | 4,893.44 mi (7,875.23 km) |
| Thetford to Hillsborough (California) | 5,344.62 mi (8,601.33 km) |
| Thetford to Hillsborough (New Jersey) | 3,511.81 mi (5,651.70 km) |
| Thetford to Hilo (Hawaii) | 7,247.42 mi (11,663.60 km) |
| Thetford to Hilton Head Island (South Carolina) | 4,152.35 mi (6,682.56 km) |
| Thetford to Hinesville (Georgia) | 4,205.62 mi (6,768.29 km) |
| Thetford to Hinsdale (Illinois) | 3,966.09 mi (6,382.81 km) |
| Thetford to Hobart (Indiana) | 3,955.28 mi (6,365.41 km) |
| Thetford to Hobbs (New Mexico) | 4,990.87 mi (8,032.03 km) |
| Thetford to Hobe Sound (Florida) | 4,385.17 mi (7,057.24 km) |
| Thetford to Hoboken (New Jersey) | 3,476.19 mi (5,594.38 km) |
| Thetford to Hockessin (Delaware) | 3,585.60 mi (5,770.47 km) |
| Thetford to Hoffman Estates (Illinois) | 3,961.72 mi (6,375.77 km) |
| Thetford to Holbrook (New York) | 3,435.58 mi (5,529.03 km) |
