| Spanish Lake to Orangeburg (South Carolina) | 636.24 mi (1,023.92 km) |
| Spanish Lake to Orangevale (California) | 1,663.31 mi (2,676.83 km) |
| Spanish Lake to Orchards (Washington) | 1,707.77 mi (2,748.39 km) |
| Spanish Lake to Orcutt (California) | 1,684.94 mi (2,711.66 km) |
| Spanish Lake to Oregon (Ohio) | 408.40 mi (657.26 km) |
| Spanish Lake to Oregon (Wisconsin) | 289.01 mi (465.12 km) |
| Spanish Lake to Oregon City (Oregon) | 1,708.99 mi (2,750.35 km) |
| Spanish Lake to Orem (Utah) | 1,147.01 mi (1,845.93 km) |
| Spanish Lake to Orinda (California) | 1,725.03 mi (2,776.17 km) |
| Spanish Lake to Orland Park (Illinois) | 230.77 mi (371.39 km) |
| Spanish Lake to Orlando (Florida) | 875.31 mi (1,408.68 km) |
| Spanish Lake to Ormond Beach (Florida) | 836.71 mi (1,346.55 km) |
| Spanish Lake to Oro Valley (Arizona) | 1,243.45 mi (2,001.14 km) |
| Spanish Lake to Oroville (California) | 1,672.42 mi (2,691.50 km) |
| Spanish Lake to Oshkosh (Wisconsin) | 371.55 mi (597.96 km) |
