| Hertford to University Place (Washington) | 4,797.80 mi (7,721.31 km) |
| Hertford to Upland (California) | 5,406.37 mi (8,700.72 km) |
| Hertford to Upper Arlington (Ohio) | 3,850.19 mi (6,196.28 km) |
| Hertford to Upper Grand Lagoon (Florida) | 4,435.28 mi (7,137.89 km) |
| Hertford to Upper Montclair (New Jersey) | 3,459.18 mi (5,567.01 km) |
| Hertford to Urbana (Illinois) | 4,045.22 mi (6,510.15 km) |
| Hertford to Urbana (Maryland) | 3,653.71 mi (5,880.09 km) |
| Hertford to Urbana (Ohio) | 3,873.24 mi (6,233.38 km) |
| Hertford to Urbandale (Iowa) | 4,180.85 mi (6,728.42 km) |
| Hertford to Utica (New York) | 3,403.46 mi (5,477.34 km) |
| Hertford to Uvalde (Texas) | 5,042.88 mi (8,115.73 km) |
| Hertford to Vacaville (California) | 5,293.68 mi (8,519.35 km) |
| Hertford to Vadnais Heights (Minnesota) | 3,991.30 mi (6,423.37 km) |
| Hertford to Vail (Arizona) | 5,291.34 mi (8,515.59 km) |
| Hertford to Valdosta (Georgia) | 4,300.15 mi (6,920.41 km) |
