| Slupca to Ukiah (California) | 5,700.18 mi (9,173.55 km) |
| Slupca to Union (Missouri) | 4,857.37 mi (7,817.19 km) |
| Slupca to Union City (California) | 5,772.95 mi (9,290.66 km) |
| Slupca to Union City (Georgia) | 4,894.81 mi (7,877.44 km) |
| Slupca to Union City (New Jersey) | 4,139.59 mi (6,662.02 km) |
| Slupca to Union City (Tennessee) | 4,901.01 mi (7,887.42 km) |
| Slupca to Union Hill-Novelty Hill (Washington) | 5,135.71 mi (8,265.12 km) |
| Slupca to Union Park (Florida) | 5,039.67 mi (8,110.57 km) |
| Slupca to Uniondale (New York) | 4,125.83 mi (6,639.88 km) |
| Slupca to Universal City (Texas) | 5,599.94 mi (9,012.23 km) |
| Slupca to University (Florida) | 5,111.74 mi (8,226.55 km) |
| Slupca to University City (Missouri) | 4,823.06 mi (7,761.96 km) |
| Slupca to University Heights (Ohio) | 4,373.23 mi (7,038.04 km) |
| Slupca to University of California-Santa Barbara (California) | 5,925.53 mi (9,536.21 km) |
| Slupca to University Park (Texas) | 5,361.18 mi (8,627.99 km) |
