| South River to Orangeburg (South Carolina) | 598.83 mi (963.73 km) |
| South River to Orangevale (California) | 2,468.41 mi (3,972.53 km) |
| South River to Orchards (Washington) | 2,420.22 mi (3,894.97 km) |
| South River to Orcutt (California) | 2,519.15 mi (4,054.18 km) |
| South River to Oregon (Ohio) | 478.84 mi (770.62 km) |
| South River to Oregon (Wisconsin) | 792.12 mi (1,274.79 km) |
| South River to Oregon City (Oregon) | 2,427.04 mi (3,905.94 km) |
| South River to Orem (Utah) | 1,949.68 mi (3,137.70 km) |
| South River to Orinda (California) | 2,535.52 mi (4,080.53 km) |
| South River to Orland Park (Illinois) | 706.66 mi (1,137.26 km) |
| South River to Orlando (Florida) | 916.25 mi (1,474.56 km) |
| South River to Ormond Beach (Florida) | 858.63 mi (1,381.83 km) |
| South River to Oro Valley (Arizona) | 2,092.33 mi (3,367.29 km) |
| South River to Oroville (California) | 2,468.99 mi (3,973.45 km) |
| South River to Oshkosh (Wisconsin) | 765.35 mi (1,231.71 km) |
