| Rio Rico to Orangeburg (South Carolina) | 1,754.66 mi (2,823.85 km) |
| Rio Rico to Orangevale (California) | 761.72 mi (1,225.86 km) |
| Rio Rico to Orchards (Washington) | 1,159.27 mi (1,865.66 km) |
| Rio Rico to Orcutt (California) | 592.89 mi (954.16 km) |
| Rio Rico to Oregon (Ohio) | 1,672.71 mi (2,691.97 km) |
| Rio Rico to Oregon (Wisconsin) | 1,420.32 mi (2,285.78 km) |
| Rio Rico to Oregon City (Oregon) | 1,141.81 mi (1,837.56 km) |
| Rio Rico to Orem (Utah) | 609.48 mi (980.86 km) |
| Rio Rico to Orinda (California) | 772.91 mi (1,243.87 km) |
| Rio Rico to Orland Park (Illinois) | 1,454.80 mi (2,341.27 km) |
| Rio Rico to Orlando (Florida) | 1,781.28 mi (2,866.69 km) |
| Rio Rico to Ormond Beach (Florida) | 1,782.12 mi (2,868.05 km) |
| Rio Rico to Oro Valley (Arizona) | 63.92 mi (102.87 km) |
| Rio Rico to Oroville (California) | 811.11 mi (1,305.36 km) |
| Rio Rico to Oshkosh (Wisconsin) | 1,491.92 mi (2,401.02 km) |
