| Rocca Priora to Orangevale (California) | 6,169.81 mi (9,929.36 km) |
| Rocca Priora to Orchards (Washington) | 5,795.76 mi (9,327.38 km) |
| Rocca Priora to Orcutt (California) | 6,367.99 mi (10,248.30 km) |
| Rocca Priora to Oregon (Ohio) | 4,663.82 mi (7,505.69 km) |
| Rocca Priora to Oregon (Wisconsin) | 4,850.02 mi (7,805.36 km) |
| Rocca Priora to Oregon City (Oregon) | 5,817.73 mi (9,362.73 km) |
| Rocca Priora to Orem (Utah) | 5,785.63 mi (9,311.06 km) |
| Rocca Priora to Orinda (California) | 6,244.69 mi (10,049.86 km) |
| Rocca Priora to Orland Park (Illinois) | 4,846.66 mi (7,799.95 km) |
| Rocca Priora to Orlando (Florida) | 5,132.81 mi (8,260.46 km) |
| Rocca Priora to Ormond Beach (Florida) | 5,085.85 mi (8,184.89 km) |
| Rocca Priora to Oro Valley (Arizona) | 6,188.34 mi (9,959.17 km) |
| Rocca Priora to Oroville (California) | 6,132.25 mi (9,868.91 km) |
| Rocca Priora to Oshkosh (Wisconsin) | 4,770.16 mi (7,676.83 km) |
| Rocca Priora to Oskaloosa (Iowa) | 5,050.10 mi (8,127.35 km) |
