| Cahokia to Ukiah (California) | 1,767.81 mi (2,845.01 km) |
| Cahokia to Union (Missouri) | 44.82 mi (72.14 km) |
| Cahokia to Union City (California) | 1,724.11 mi (2,774.69 km) |
| Cahokia to Union City (Georgia) | 464.90 mi (748.18 km) |
| Cahokia to Union City (New Jersey) | 870.87 mi (1,401.54 km) |
| Cahokia to Union City (Tennessee) | 160.24 mi (257.88 km) |
| Cahokia to Union Hill-Novelty Hill (Washington) | 1,710.33 mi (2,752.51 km) |
| Cahokia to Union Park (Florida) | 860.66 mi (1,385.09 km) |
| Cahokia to Uniondale (New York) | 893.44 mi (1,437.85 km) |
| Cahokia to Universal City (Texas) | 776.59 mi (1,249.80 km) |
| Cahokia to University (Florida) | 850.72 mi (1,369.10 km) |
| Cahokia to University City (Missouri) | 10.77 mi (17.33 km) |
| Cahokia to University Heights (Ohio) | 499.82 mi (804.39 km) |
| Cahokia to University of California-Santa Barbara (California) | 1,665.81 mi (2,680.87 km) |
| Cahokia to University Park (Texas) | 541.53 mi (871.51 km) |
