| Ribeira Grande to Oakley (California) | 4,968.88 mi (7,996.63 km) |
| Ribeira Grande to Oakton (Virginia) | 2,768.22 mi (4,455.02 km) |
| Ribeira Grande to Oakville (Missouri) | 3,445.06 mi (5,544.29 km) |
| Ribeira Grande to Oatfield (Oregon) | 4,725.08 mi (7,604.28 km) |
| Ribeira Grande to Ocala (Florida) | 3,267.57 mi (5,258.65 km) |
| Ribeira Grande to Ocean Acres (New Jersey) | 2,597.18 mi (4,179.76 km) |
| Ribeira Grande to Ocean City (New Jersey) | 2,621.50 mi (4,218.90 km) |
| Ribeira Grande to Ocean Pines (Maryland) | 2,665.27 mi (4,289.33 km) |
| Ribeira Grande to Ocean Pointe (Hawaii) | 7,318.97 mi (11,778.75 km) |
| Ribeira Grande to Ocean Springs (Mississippi) | 3,587.16 mi (5,772.98 km) |
| Ribeira Grande to Oceanside (California) | 4,948.57 mi (7,963.95 km) |
| Ribeira Grande to Oceanside (New York) | 2,550.76 mi (4,105.05 km) |
| Ribeira Grande to Ocoee (Florida) | 3,252.41 mi (5,234.24 km) |
| Ribeira Grande to Oconomowoc (Wisconsin) | 3,252.77 mi (5,234.83 km) |
| Ribeira Grande to Odenton (Maryland) | 2,733.51 mi (4,399.16 km) |
