| Rocca Priora to Oakley (California) | 6,224.15 mi (10,016.80 km) |
| Rocca Priora to Oakton (Virginia) | 4,512.84 mi (7,262.71 km) |
| Rocca Priora to Oakville (Missouri) | 5,086.31 mi (8,185.63 km) |
| Rocca Priora to Oatfield (Oregon) | 5,813.62 mi (9,356.11 km) |
| Rocca Priora to Ocala (Florida) | 5,140.08 mi (8,272.16 km) |
| Rocca Priora to Ocean Acres (New Jersey) | 4,345.99 mi (6,994.19 km) |
| Rocca Priora to Ocean City (New Jersey) | 4,378.36 mi (7,046.28 km) |
| Rocca Priora to Ocean Pines (Maryland) | 4,436.78 mi (7,140.31 km) |
| Rocca Priora to Ocean Pointe (Hawaii) | 8,037.55 mi (12,935.19 km) |
| Rocca Priora to Ocean Springs (Mississippi) | 5,387.03 mi (8,669.59 km) |
| Rocca Priora to Oceanside (California) | 6,362.88 mi (10,240.07 km) |
| Rocca Priora to Oceanside (New York) | 4,284.05 mi (6,894.51 km) |
| Rocca Priora to Ocoee (Florida) | 5,137.52 mi (8,268.04 km) |
| Rocca Priora to Oconomowoc (Wisconsin) | 4,807.32 mi (7,736.63 km) |
| Rocca Priora to Odenton (Maryland) | 4,479.02 mi (7,208.28 km) |
