| Leiden to Ukiah (California) | 5,390.48 mi (8,675.14 km) |
| Leiden to Union (Missouri) | 4,392.46 mi (7,068.98 km) |
| Leiden to Union City (California) | 5,450.60 mi (8,771.90 km) |
| Leiden to Union City (Georgia) | 4,390.92 mi (7,066.50 km) |
| Leiden to Union City (New Jersey) | 3,630.52 mi (5,842.75 km) |
| Leiden to Union City (Tennessee) | 4,421.49 mi (7,115.70 km) |
| Leiden to Union Hill-Novelty Hill (Washington) | 4,852.94 mi (7,810.06 km) |
| Leiden to Union Park (Florida) | 4,512.18 mi (7,261.65 km) |
| Leiden to Uniondale (New York) | 3,615.41 mi (5,818.43 km) |
| Leiden to Universal City (Texas) | 5,130.76 mi (8,257.16 km) |
| Leiden to University (Florida) | 4,586.10 mi (7,380.61 km) |
| Leiden to University City (Missouri) | 4,356.65 mi (7,011.35 km) |
| Leiden to University Heights (Ohio) | 3,888.80 mi (6,258.41 km) |
| Leiden to University of California-Santa Barbara (California) | 5,579.01 mi (8,978.56 km) |
| Leiden to University Park (Texas) | 4,897.33 mi (7,881.49 km) |
