| Kankakee to Olympia Heights (Florida) | 1,146.57 mi (1,845.22 km) |
| Kankakee to Omaha (Nebraska) | 425.80 mi (685.26 km) |
| Kankakee to On Top of the World Designated Place (Florida) | 886.27 mi (1,426.32 km) |
| Kankakee to Onalaska (Wisconsin) | 257.00 mi (413.59 km) |
| Kankakee to Oneida (New York) | 639.73 mi (1,029.55 km) |
| Kankakee to Oneonta (New York) | 665.34 mi (1,070.75 km) |
| Kankakee to Ontario (California) | 1,690.93 mi (2,721.30 km) |
| Kankakee to Ontario (Oregon) | 1,487.29 mi (2,393.56 km) |
| Kankakee to Opa-locka (Florida) | 1,137.01 mi (1,829.84 km) |
| Kankakee to Opelika (Alabama) | 599.11 mi (964.17 km) |
| Kankakee to Opelousas (Louisiana) | 767.77 mi (1,235.60 km) |
| Kankakee to Orange (California) | 1,709.12 mi (2,750.57 km) |
| Kankakee to Orange (Texas) | 827.22 mi (1,331.28 km) |
| Kankakee to Orange City (Florida) | 918.62 mi (1,478.37 km) |
| Kankakee to Orangeburg (South Carolina) | 650.89 mi (1,047.50 km) |
