| Ribeira Grande to Orangevale (California) | 4,920.67 mi (7,919.05 km) |
| Ribeira Grande to Orchards (Washington) | 4,712.24 mi (7,583.61 km) |
| Ribeira Grande to Orcutt (California) | 5,032.48 mi (8,098.99 km) |
| Ribeira Grande to Oregon (Ohio) | 3,030.47 mi (4,877.08 km) |
| Ribeira Grande to Oregon (Wisconsin) | 3,299.52 mi (5,310.07 km) |
| Ribeira Grande to Oregon City (Oregon) | 4,727.64 mi (7,608.40 km) |
| Ribeira Grande to Orem (Utah) | 4,429.47 mi (7,128.55 km) |
| Ribeira Grande to Orinda (California) | 4,995.00 mi (8,038.68 km) |
| Ribeira Grande to Orland Park (Illinois) | 3,251.19 mi (5,232.28 km) |
| Ribeira Grande to Orlando (Florida) | 3,244.92 mi (5,222.19 km) |
| Ribeira Grande to Ormond Beach (Florida) | 3,207.04 mi (5,161.24 km) |
| Ribeira Grande to Oro Valley (Arizona) | 4,668.84 mi (7,513.76 km) |
| Ribeira Grande to Oroville (California) | 4,904.69 mi (7,893.34 km) |
| Ribeira Grande to Oshkosh (Wisconsin) | 3,238.80 mi (5,212.34 km) |
| Ribeira Grande to Oskaloosa (Iowa) | 3,492.96 mi (5,621.37 km) |
