| Kirkwall to Ukiah (California) | 4,846.35 mi (7,799.44 km) |
| Kirkwall to Union (Missouri) | 3,928.84 mi (6,322.86 km) |
| Kirkwall to Union City (California) | 4,909.52 mi (7,901.12 km) |
| Kirkwall to Union City (Georgia) | 3,974.89 mi (6,396.97 km) |
| Kirkwall to Union City (New Jersey) | 3,224.52 mi (5,189.37 km) |
| Kirkwall to Union City (Tennessee) | 3,973.46 mi (6,394.67 km) |
| Kirkwall to Union Hill-Novelty Hill (Washington) | 4,303.46 mi (6,925.76 km) |
| Kirkwall to Union Park (Florida) | 4,137.57 mi (6,658.77 km) |
| Kirkwall to Uniondale (New York) | 3,211.73 mi (5,168.78 km) |
| Kirkwall to Universal City (Texas) | 4,671.41 mi (7,517.91 km) |
| Kirkwall to University (Florida) | 4,207.41 mi (6,771.17 km) |
| Kirkwall to University City (Missouri) | 3,894.53 mi (6,267.64 km) |
| Kirkwall to University Heights (Ohio) | 3,447.04 mi (5,547.47 km) |
| Kirkwall to University of California-Santa Barbara (California) | 5,045.18 mi (8,119.43 km) |
| Kirkwall to University Park (Texas) | 4,432.70 mi (7,133.75 km) |
