| Little Lever to Olympia Heights (Florida) | 4,322.96 mi (6,957.13 km) |
| Little Lever to Omaha (Nebraska) | 4,136.91 mi (6,657.72 km) |
| Little Lever to On Top of the World Designated Place (Florida) | 4,226.58 mi (6,802.03 km) |
| Little Lever to Onalaska (Wisconsin) | 3,834.67 mi (6,171.31 km) |
| Little Lever to Oneida (New York) | 3,289.50 mi (5,293.93 km) |
| Little Lever to Oneonta (New York) | 3,293.76 mi (5,300.79 km) |
| Little Lever to Ontario (California) | 5,256.94 mi (8,460.23 km) |
| Little Lever to Ontario (Oregon) | 4,669.73 mi (7,515.21 km) |
| Little Lever to Opa-locka (Florida) | 4,310.38 mi (6,936.88 km) |
| Little Lever to Opelika (Alabama) | 4,168.24 mi (6,708.13 km) |
| Little Lever to Opelousas (Louisiana) | 4,540.83 mi (7,307.77 km) |
| Little Lever to Orange (California) | 5,277.33 mi (8,493.04 km) |
| Little Lever to Orange (Texas) | 4,626.94 mi (7,446.34 km) |
| Little Lever to Orange City (Florida) | 4,195.08 mi (6,751.33 km) |
| Little Lever to Orangeburg (South Carolina) | 3,947.36 mi (6,352.67 km) |
