| Sasso Marconi to Odessa (Texas) | 5,715.54 mi (9,198.28 km) |
| Sasso Marconi to Ogden (Utah) | 5,555.21 mi (8,940.25 km) |
| Sasso Marconi to Oildale (California) | 6,102.79 mi (9,821.49 km) |
| Sasso Marconi to Ojus (Florida) | 5,051.89 mi (8,130.24 km) |
| Sasso Marconi to Okemos (Michigan) | 4,490.61 mi (7,226.94 km) |
| Sasso Marconi to Oklahoma City (Oklahoma) | 5,345.16 mi (8,602.21 km) |
| Sasso Marconi to Okmulgee (Oklahoma) | 5,278.84 mi (8,495.48 km) |
| Sasso Marconi to Olathe (Kansas) | 5,073.25 mi (8,164.61 km) |
| Sasso Marconi to Old Jamestown (Missouri) | 4,897.51 mi (7,881.77 km) |
| Sasso Marconi to Oldsmar (Florida) | 5,070.52 mi (8,160.21 km) |
| Sasso Marconi to Olean (New York) | 4,273.11 mi (6,876.90 km) |
| Sasso Marconi to Olive Branch (Mississippi) | 5,060.98 mi (8,144.86 km) |
| Sasso Marconi to Olivehurst (California) | 5,964.13 mi (9,598.34 km) |
| Sasso Marconi to Olney (Maryland) | 4,335.35 mi (6,977.07 km) |
| Sasso Marconi to Olympia (Washington) | 5,530.33 mi (8,900.20 km) |
