| Franklin to Olympia Heights (Florida) | 802.97 mi (1,292.25 km) |
| Franklin to Omaha (Nebraska) | 618.43 mi (995.27 km) |
| Franklin to On Top of the World Designated Place (Florida) | 540.57 mi (869.96 km) |
| Franklin to Onalaska (Wisconsin) | 596.77 mi (960.41 km) |
| Franklin to Oneida (New York) | 773.66 mi (1,245.08 km) |
| Franklin to Oneonta (New York) | 774.82 mi (1,246.95 km) |
| Franklin to Ontario (California) | 1,738.76 mi (2,798.27 km) |
| Franklin to Ontario (Oregon) | 1,679.35 mi (2,702.66 km) |
| Franklin to Opa-locka (Florida) | 794.60 mi (1,278.78 km) |
| Franklin to Opelika (Alabama) | 240.37 mi (386.84 km) |
| Franklin to Opelousas (Louisiana) | 479.74 mi (772.06 km) |
| Franklin to Orange (California) | 1,754.54 mi (2,823.67 km) |
| Franklin to Orange (Texas) | 565.94 mi (910.80 km) |
| Franklin to Orange City (Florida) | 581.29 mi (935.49 km) |
| Franklin to Orangeburg (South Carolina) | 378.94 mi (609.84 km) |
