| Mackworth to Ukiah (California) | 5,184.43 mi (8,343.54 km) |
| Mackworth to Union (Missouri) | 4,143.21 mi (6,667.86 km) |
| Mackworth to Union City (California) | 5,240.17 mi (8,433.24 km) |
| Mackworth to Union City (Georgia) | 4,134.42 mi (6,653.71 km) |
| Mackworth to Union City (New Jersey) | 3,373.63 mi (5,429.33 km) |
| Mackworth to Union City (Tennessee) | 4,169.12 mi (6,709.55 km) |
| Mackworth to Union Hill-Novelty Hill (Washington) | 4,658.18 mi (7,496.62 km) |
| Mackworth to Union Park (Florida) | 4,253.56 mi (6,845.45 km) |
| Mackworth to Uniondale (New York) | 3,358.35 mi (5,404.74 km) |
| Mackworth to Universal City (Texas) | 4,879.90 mi (7,853.44 km) |
| Mackworth to University (Florida) | 4,327.54 mi (6,964.51 km) |
| Mackworth to University City (Missouri) | 4,107.10 mi (6,609.74 km) |
| Mackworth to University Heights (Ohio) | 3,635.89 mi (5,851.40 km) |
| Mackworth to University of California-Santa Barbara (California) | 5,360.44 mi (8,626.80 km) |
| Mackworth to University Park (Texas) | 4,647.80 mi (7,479.92 km) |
