| Melilli to Olympia Heights (Florida) | 5,445.18 mi (8,763.17 km) |
| Melilli to Omaha (Nebraska) | 5,492.60 mi (8,839.49 km) |
| Melilli to On Top of the World Designated Place (Florida) | 5,403.95 mi (8,696.82 km) |
| Melilli to Onalaska (Wisconsin) | 5,187.02 mi (8,347.70 km) |
| Melilli to Oneida (New York) | 4,568.29 mi (7,351.95 km) |
| Melilli to Oneonta (New York) | 4,563.03 mi (7,343.48 km) |
| Melilli to Ontario (California) | 6,653.19 mi (10,707.28 km) |
| Melilli to Ontario (Oregon) | 6,075.76 mi (9,777.99 km) |
| Melilli to Opa-locka (Florida) | 5,433.83 mi (8,744.90 km) |
| Melilli to Opelika (Alabama) | 5,405.09 mi (8,698.66 km) |
| Melilli to Opelousas (Louisiana) | 5,805.75 mi (9,343.46 km) |
| Melilli to Orange (California) | 6,673.62 mi (10,740.15 km) |
| Melilli to Orange (Texas) | 5,899.99 mi (9,495.12 km) |
| Melilli to Orange City (Florida) | 5,362.10 mi (8,629.47 km) |
| Melilli to Orangeburg (South Carolina) | 5,159.74 mi (8,303.80 km) |
