| Red Bluff to Orangeburg (South Carolina) | 2,312.62 mi (3,721.80 km) |
| Red Bluff to Orangevale (California) | 116.18 mi (186.98 km) |
| Red Bluff to Orchards (Washington) | 381.36 mi (613.75 km) |
| Red Bluff to Orcutt (California) | 379.79 mi (611.21 km) |
| Red Bluff to Oregon (Ohio) | 2,011.79 mi (3,237.66 km) |
| Red Bluff to Oregon (Wisconsin) | 1,698.44 mi (2,733.38 km) |
| Red Bluff to Oregon City (Oregon) | 357.54 mi (575.40 km) |
| Red Bluff to Orem (Utah) | 555.77 mi (894.43 km) |
| Red Bluff to Orinda (California) | 158.45 mi (254.99 km) |
| Red Bluff to Orland Park (Illinois) | 1,786.54 mi (2,875.15 km) |
| Red Bluff to Orlando (Florida) | 2,445.25 mi (3,935.24 km) |
| Red Bluff to Ormond Beach (Florida) | 2,429.49 mi (3,909.89 km) |
| Red Bluff to Oro Valley (Arizona) | 823.65 mi (1,325.53 km) |
| Red Bluff to Oroville (California) | 58.82 mi (94.66 km) |
| Red Bluff to Oshkosh (Wisconsin) | 1,734.66 mi (2,791.67 km) |
