| Hercules to Ukiah (California) | 94.13 mi (151.48 km) |
| Hercules to Union (Missouri) | 1,689.06 mi (2,718.27 km) |
| Hercules to Union City (California) | 30.75 mi (49.48 km) |
| Hercules to Union City (Georgia) | 2,119.60 mi (3,411.17 km) |
| Hercules to Union City (New Jersey) | 2,549.76 mi (4,103.44 km) |
| Hercules to Union City (Tennessee) | 1,820.82 mi (2,930.33 km) |
| Hercules to Union Hill-Novelty Hill (Washington) | 668.40 mi (1,075.68 km) |
| Hercules to Union Park (Florida) | 2,436.21 mi (3,920.71 km) |
| Hercules to Uniondale (New York) | 2,572.88 mi (4,140.66 km) |
| Hercules to Universal City (Texas) | 1,488.69 mi (2,395.82 km) |
| Hercules to University (Florida) | 2,386.34 mi (3,840.44 km) |
| Hercules to University City (Missouri) | 1,722.01 mi (2,771.30 km) |
| Hercules to University Heights (Ohio) | 2,156.52 mi (3,470.58 km) |
| Hercules to University of California-Santa Barbara (California) | 281.87 mi (453.62 km) |
| Hercules to University Park (Texas) | 1,472.06 mi (2,369.06 km) |
