| Boiling Springs to Ukiah (California) | 2,270.39 mi (3,653.84 km) |
| Boiling Springs to Union (Missouri) | 551.15 mi (886.98 km) |
| Boiling Springs to Union City (California) | 2,219.08 mi (3,571.27 km) |
| Boiling Springs to Union City (Georgia) | 178.34 mi (287.01 km) |
| Boiling Springs to Union City (New Jersey) | 586.01 mi (943.09 km) |
| Boiling Springs to Union City (Tennessee) | 407.71 mi (656.15 km) |
| Boiling Springs to Union Hill-Novelty Hill (Washington) | 2,222.42 mi (3,576.63 km) |
| Boiling Springs to Union Park (Florida) | 449.79 mi (723.87 km) |
| Boiling Springs to Uniondale (New York) | 601.66 mi (968.29 km) |
| Boiling Springs to Universal City (Texas) | 1,024.82 mi (1,649.29 km) |
| Boiling Springs to University (Florida) | 482.18 mi (775.99 km) |
| Boiling Springs to University City (Missouri) | 524.92 mi (844.78 km) |
| Boiling Springs to University Heights (Ohio) | 446.28 mi (718.22 km) |
| Boiling Springs to University of California-Santa Barbara (California) | 2,138.26 mi (3,441.19 km) |
| Boiling Springs to University Park (Texas) | 861.76 mi (1,386.87 km) |
