| Leno to Olympia Heights (Florida) | 5,000.77 mi (8,047.96 km) |
| Leno to Omaha (Nebraska) | 4,923.05 mi (7,922.88 km) |
| Leno to On Top of the World Designated Place (Florida) | 4,931.59 mi (7,936.62 km) |
| Leno to Onalaska (Wisconsin) | 4,619.15 mi (7,433.80 km) |
| Leno to Oneida (New York) | 4,039.97 mi (6,501.70 km) |
| Leno to Oneonta (New York) | 4,039.62 mi (6,501.14 km) |
| Leno to Ontario (California) | 6,054.56 mi (9,743.88 km) |
| Leno to Ontario (Oregon) | 5,464.69 mi (8,794.56 km) |
| Leno to Opa-locka (Florida) | 4,988.73 mi (8,028.59 km) |
| Leno to Opelika (Alabama) | 4,902.08 mi (7,889.14 km) |
| Leno to Opelousas (Louisiana) | 5,289.22 mi (8,512.17 km) |
| Leno to Orange (California) | 6,074.95 mi (9,776.69 km) |
| Leno to Orange (Texas) | 5,379.29 mi (8,657.14 km) |
| Leno to Orange City (Florida) | 4,894.74 mi (7,877.33 km) |
| Leno to Orangeburg (South Carolina) | 4,668.28 mi (7,512.88 km) |
