| Montegranaro to Odessa (Texas) | 5,858.57 mi (9,428.46 km) |
| Montegranaro to Ogden (Utah) | 5,692.53 mi (9,161.24 km) |
| Montegranaro to Oildale (California) | 6,239.17 mi (10,040.97 km) |
| Montegranaro to Ojus (Florida) | 5,191.68 mi (8,355.20 km) |
| Montegranaro to Okemos (Michigan) | 4,634.01 mi (7,457.71 km) |
| Montegranaro to Oklahoma City (Oklahoma) | 5,488.30 mi (8,832.57 km) |
| Montegranaro to Okmulgee (Oklahoma) | 5,422.13 mi (8,726.07 km) |
| Montegranaro to Olathe (Kansas) | 5,216.20 mi (8,394.67 km) |
| Montegranaro to Old Jamestown (Missouri) | 5,040.91 mi (8,112.56 km) |
| Montegranaro to Oldsmar (Florida) | 5,211.90 mi (8,387.74 km) |
| Montegranaro to Olean (New York) | 4,416.67 mi (7,107.95 km) |
| Montegranaro to Olive Branch (Mississippi) | 5,204.55 mi (8,375.91 km) |
| Montegranaro to Olivehurst (California) | 6,097.39 mi (9,812.79 km) |
| Montegranaro to Olney (Maryland) | 4,478.58 mi (7,207.57 km) |
| Montegranaro to Olympia (Washington) | 5,658.44 mi (9,106.38 km) |
