| Delaware to Ukiah (California) | 2,116.24 mi (3,405.76 km) |
| Delaware to Union (Missouri) | 441.62 mi (710.72 km) |
| Delaware to Union City (California) | 2,084.12 mi (3,354.07 km) |
| Delaware to Union City (Georgia) | 469.53 mi (755.63 km) |
| Delaware to Union City (New Jersey) | 475.82 mi (765.75 km) |
| Delaware to Union City (Tennessee) | 419.12 mi (674.51 km) |
| Delaware to Union Hill-Novelty Hill (Washington) | 1,980.19 mi (3,186.82 km) |
| Delaware to Union Park (Florida) | 816.43 mi (1,313.91 km) |
| Delaware to Uniondale (New York) | 498.68 mi (802.55 km) |
| Delaware to Universal City (Texas) | 1,134.87 mi (1,826.40 km) |
| Delaware to University (Florida) | 844.28 mi (1,358.73 km) |
| Delaware to University City (Missouri) | 402.77 mi (648.19 km) |
| Delaware to University Heights (Ohio) | 115.96 mi (186.63 km) |
| Delaware to University of California-Santa Barbara (California) | 2,045.38 mi (3,291.72 km) |
| Delaware to University Park (Texas) | 916.70 mi (1,475.29 km) |
