| Erba to Odessa (Texas) | 5,577.27 mi (8,975.75 km) |
| Erba to Ogden (Utah) | 5,416.43 mi (8,716.90 km) |
| Erba to Oildale (California) | 5,964.29 mi (9,598.59 km) |
| Erba to Ojus (Florida) | 4,926.07 mi (7,927.74 km) |
| Erba to Okemos (Michigan) | 4,353.09 mi (7,005.63 km) |
| Erba to Oklahoma City (Oklahoma) | 5,207.07 mi (8,379.96 km) |
| Erba to Okmulgee (Oklahoma) | 5,141.02 mi (8,273.67 km) |
| Erba to Olathe (Kansas) | 4,934.88 mi (7,941.92 km) |
| Erba to Old Jamestown (Missouri) | 4,760.01 mi (7,660.50 km) |
| Erba to Oldsmar (Florida) | 4,941.55 mi (7,952.65 km) |
| Erba to Olean (New York) | 4,137.25 mi (6,658.26 km) |
| Erba to Olive Branch (Mississippi) | 4,924.98 mi (7,926.00 km) |
| Erba to Olivehurst (California) | 5,826.87 mi (9,377.45 km) |
| Erba to Olney (Maryland) | 4,201.55 mi (6,761.75 km) |
| Erba to Olympia (Washington) | 5,395.71 mi (8,683.56 km) |
