| Hemel Hempstead to Ukiah (California) | 5,274.70 mi (8,488.82 km) |
| Hemel Hempstead to Union (Missouri) | 4,219.20 mi (6,790.14 km) |
| Hemel Hempstead to Union City (California) | 5,329.77 mi (8,577.43 km) |
| Hemel Hempstead to Union City (Georgia) | 4,202.05 mi (6,762.55 km) |
| Hemel Hempstead to Union City (New Jersey) | 3,440.68 mi (5,537.24 km) |
| Hemel Hempstead to Union City (Tennessee) | 4,242.33 mi (6,827.37 km) |
| Hemel Hempstead to Union Hill-Novelty Hill (Washington) | 4,749.80 mi (7,644.07 km) |
| Hemel Hempstead to Union Park (Florida) | 4,313.78 mi (6,942.36 km) |
| Hemel Hempstead to Uniondale (New York) | 3,425.03 mi (5,512.05 km) |
| Hemel Hempstead to Universal City (Texas) | 4,954.37 mi (7,973.28 km) |
| Hemel Hempstead to University (Florida) | 4,388.37 mi (7,062.40 km) |
| Hemel Hempstead to University City (Missouri) | 4,182.86 mi (6,731.67 km) |
| Hemel Hempstead to University Heights (Ohio) | 3,708.69 mi (5,968.57 km) |
| Hemel Hempstead to University of California-Santa Barbara (California) | 5,448.50 mi (8,768.51 km) |
| Hemel Hempstead to University Park (Texas) | 4,723.44 mi (7,601.65 km) |
