| Belleville to Olympia Heights (Florida) | 1,047.41 mi (1,685.64 km) |
| Belleville to Omaha (Nebraska) | 373.11 mi (600.47 km) |
| Belleville to On Top of the World Designated Place (Florida) | 785.63 mi (1,264.36 km) |
| Belleville to Onalaska (Wisconsin) | 376.51 mi (605.93 km) |
| Belleville to Oneida (New York) | 811.62 mi (1,306.17 km) |
| Belleville to Oneonta (New York) | 828.75 mi (1,333.75 km) |
| Belleville to Ontario (California) | 1,562.84 mi (2,515.14 km) |
| Belleville to Ontario (Oregon) | 1,444.94 mi (2,325.40 km) |
| Belleville to Opa-locka (Florida) | 1,039.57 mi (1,673.03 km) |
| Belleville to Opelika (Alabama) | 480.30 mi (772.97 km) |
| Belleville to Opelousas (Louisiana) | 564.78 mi (908.93 km) |
| Belleville to Orange (California) | 1,579.95 mi (2,542.68 km) |
| Belleville to Orange (Texas) | 618.42 mi (995.25 km) |
| Belleville to Orange City (Florida) | 828.75 mi (1,333.74 km) |
| Belleville to Orangeburg (South Carolina) | 616.34 mi (991.90 km) |
