| Melfi to Odessa (Texas) | 6,037.51 mi (9,716.44 km) |
| Melfi to Ogden (Utah) | 5,877.88 mi (9,459.53 km) |
| Melfi to Oildale (California) | 6,424.73 mi (10,339.60 km) |
| Melfi to Ojus (Florida) | 5,346.59 mi (8,604.50 km) |
| Melfi to Okemos (Michigan) | 4,811.09 mi (7,742.71 km) |
| Melfi to Oklahoma City (Oklahoma) | 5,666.79 mi (9,119.81 km) |
| Melfi to Okmulgee (Oklahoma) | 5,599.89 mi (9,012.15 km) |
| Melfi to Olathe (Kansas) | 5,395.48 mi (8,683.19 km) |
| Melfi to Old Jamestown (Missouri) | 5,217.89 mi (8,397.38 km) |
| Melfi to Oldsmar (Florida) | 5,372.18 mi (8,645.68 km) |
| Melfi to Olean (New York) | 4,590.12 mi (7,387.08 km) |
| Melfi to Olive Branch (Mississippi) | 5,378.09 mi (8,655.20 km) |
| Melfi to Olivehurst (California) | 6,283.05 mi (10,111.59 km) |
| Melfi to Olney (Maryland) | 4,647.93 mi (7,480.13 km) |
| Melfi to Olympia (Washington) | 5,843.06 mi (9,403.50 km) |
