| Thetford to Hutchinson (Minnesota) | 4,050.58 mi (6,518.77 km) |
| Thetford to Hutto (Texas) | 4,899.86 mi (7,885.56 km) |
| Thetford to Hyattsville (Maryland) | 3,674.19 mi (5,913.03 km) |
| Thetford to Hybla Valley (Virginia) | 3,689.12 mi (5,937.06 km) |
| Thetford to Idaho Falls (Idaho) | 4,701.00 mi (7,565.53 km) |
| Thetford to Idylwood (Virginia) | 3,687.53 mi (5,934.50 km) |
| Thetford to Ilchester (Maryland) | 3,654.88 mi (5,881.96 km) |
| Thetford to Immokalee (Florida) | 4,471.43 mi (7,196.08 km) |
| Thetford to Imperial (California) | 5,411.09 mi (8,708.31 km) |
| Thetford to Imperial Beach (California) | 5,476.37 mi (8,813.37 km) |
| Thetford to Independence (Kentucky) | 3,973.78 mi (6,395.18 km) |
| Thetford to Independence (Missouri) | 4,336.83 mi (6,979.46 km) |
| Thetford to Indian Trail (North Carolina) | 4,006.68 mi (6,448.13 km) |
| Thetford to Indiana (Pennsylvania) | 3,685.09 mi (5,930.57 km) |
| Thetford to Indianapolis (Indiana) | 3,995.61 mi (6,430.31 km) |
