| Darlaston to Orangevale (California) | 5,156.18 mi (8,298.07 km) |
| Darlaston to Orchards (Washington) | 4,790.85 mi (7,710.12 km) |
| Darlaston to Orcutt (California) | 5,352.47 mi (8,613.96 km) |
| Darlaston to Oregon (Ohio) | 3,691.75 mi (5,941.30 km) |
| Darlaston to Oregon (Wisconsin) | 3,858.45 mi (6,209.57 km) |
| Darlaston to Oregon City (Oregon) | 4,812.41 mi (7,744.83 km) |
| Darlaston to Orem (Utah) | 4,770.30 mi (7,677.06 km) |
| Darlaston to Orinda (California) | 5,231.28 mi (8,418.94 km) |
| Darlaston to Orland Park (Illinois) | 3,863.17 mi (6,217.18 km) |
| Darlaston to Orlando (Florida) | 4,245.86 mi (6,833.05 km) |
| Darlaston to Ormond Beach (Florida) | 4,194.64 mi (6,750.63 km) |
| Darlaston to Oro Valley (Arizona) | 5,180.03 mi (8,336.46 km) |
| Darlaston to Oroville (California) | 5,119.44 mi (8,238.95 km) |
| Darlaston to Oshkosh (Wisconsin) | 3,776.70 mi (6,078.01 km) |
| Darlaston to Oskaloosa (Iowa) | 4,056.84 mi (6,528.85 km) |
