| Blackburn to Ukiah (California) | 5,116.49 mi (8,234.20 km) |
| Blackburn to Union (Missouri) | 4,084.13 mi (6,572.77 km) |
| Blackburn to Union City (California) | 5,172.57 mi (8,324.45 km) |
| Blackburn to Union City (Georgia) | 4,081.00 mi (6,567.74 km) |
| Blackburn to Union City (New Jersey) | 3,320.78 mi (5,344.28 km) |
| Blackburn to Union City (Tennessee) | 4,111.90 mi (6,617.46 km) |
| Blackburn to Union Hill-Novelty Hill (Washington) | 4,589.64 mi (7,386.32 km) |
| Blackburn to Union Park (Florida) | 4,205.25 mi (6,767.69 km) |
| Blackburn to Uniondale (New York) | 3,305.76 mi (5,320.11 km) |
| Blackburn to Universal City (Texas) | 4,821.74 mi (7,759.84 km) |
| Blackburn to University (Florida) | 4,278.79 mi (6,886.04 km) |
| Blackburn to University City (Missouri) | 4,048.17 mi (6,514.90 km) |
| Blackburn to University Heights (Ohio) | 3,579.03 mi (5,759.89 km) |
| Blackburn to University of California-Santa Barbara (California) | 5,293.68 mi (8,519.36 km) |
| Blackburn to University Park (Texas) | 4,588.89 mi (7,385.10 km) |
