| Skien to Ukiah (California) | 5,124.79 mi (8,247.55 km) |
| Skien to Union (Missouri) | 4,323.14 mi (6,957.42 km) |
| Skien to Union City (California) | 5,197.41 mi (8,364.43 km) |
| Skien to Union City (Georgia) | 4,394.03 mi (7,071.51 km) |
| Skien to Union City (New Jersey) | 3,649.82 mi (5,873.82 km) |
| Skien to Union City (Tennessee) | 4,377.27 mi (7,044.53 km) |
| Skien to Union Hill-Novelty Hill (Washington) | 4,561.61 mi (7,341.20 km) |
| Skien to Union Park (Florida) | 4,569.52 mi (7,353.94 km) |
| Skien to Uniondale (New York) | 3,637.84 mi (5,854.53 km) |
| Skien to Universal City (Texas) | 5,065.58 mi (8,152.26 km) |
| Skien to University (Florida) | 4,638.17 mi (7,464.41 km) |
| Skien to University City (Missouri) | 4,289.98 mi (6,904.06 km) |
| Skien to University Heights (Ohio) | 3,856.41 mi (6,206.29 km) |
| Skien to University of California-Santa Barbara (California) | 5,350.84 mi (8,611.34 km) |
| Skien to University Park (Texas) | 4,824.21 mi (7,763.81 km) |
