| Hemel Hempstead to Troy (Michigan) | 3,722.64 mi (5,991.01 km) |
| Hemel Hempstead to Troy (Missouri) | 4,192.50 mi (6,747.18 km) |
| Hemel Hempstead to Troy (New York) | 3,342.02 mi (5,378.46 km) |
| Hemel Hempstead to Troy (Ohio) | 3,880.32 mi (6,244.76 km) |
| Hemel Hempstead to Truckee (California) | 5,174.72 mi (8,327.90 km) |
| Hemel Hempstead to Trujillo Alto (Puerto Rico) | 4,188.22 mi (6,740.30 km) |
| Hemel Hempstead to Trumbull Center (Connecticut) | 3,385.67 mi (5,448.71 km) |
| Hemel Hempstead to Trussville (Alabama) | 4,281.37 mi (6,890.21 km) |
| Hemel Hempstead to Tualatin (Oregon) | 4,901.44 mi (7,888.10 km) |
| Hemel Hempstead to Tuckahoe (Virginia) | 3,727.93 mi (5,999.53 km) |
| Hemel Hempstead to Tucker (Georgia) | 4,175.22 mi (6,719.37 km) |
| Hemel Hempstead to Tucson (Arizona) | 5,278.54 mi (8,494.99 km) |
| Hemel Hempstead to Tucson Estates (Arizona) | 5,285.79 mi (8,506.66 km) |
| Hemel Hempstead to Tucson Mountains (Arizona) | 5,278.36 mi (8,494.70 km) |
| Hemel Hempstead to Tukwila (Washington) | 4,767.85 mi (7,673.12 km) |
