| Ribeira Grande to Odessa (Texas) | 4,251.37 mi (6,841.92 km) |
| Ribeira Grande to Ogden (Utah) | 4,410.98 mi (7,098.79 km) |
| Ribeira Grande to Oildale (California) | 4,945.69 mi (7,959.32 km) |
| Ribeira Grande to Ojus (Florida) | 3,261.56 mi (5,248.97 km) |
| Ribeira Grande to Okemos (Michigan) | 3,060.61 mi (4,925.58 km) |
| Ribeira Grande to Oklahoma City (Oklahoma) | 3,891.02 mi (6,261.99 km) |
| Ribeira Grande to Okmulgee (Oklahoma) | 3,810.06 mi (6,131.69 km) |
| Ribeira Grande to Olathe (Kansas) | 3,659.93 mi (5,890.10 km) |
| Ribeira Grande to Old Jamestown (Missouri) | 3,433.76 mi (5,526.11 km) |
| Ribeira Grande to Oldsmar (Florida) | 3,330.60 mi (5,360.08 km) |
| Ribeira Grande to Olean (New York) | 2,773.47 mi (4,463.46 km) |
| Ribeira Grande to Olive Branch (Mississippi) | 3,511.16 mi (5,650.66 km) |
| Ribeira Grande to Olivehurst (California) | 4,920.57 mi (7,918.90 km) |
| Ribeira Grande to Olney (Maryland) | 2,751.64 mi (4,428.34 km) |
| Ribeira Grande to Olympia (Washington) | 4,677.08 mi (7,527.03 km) |
