| Garland to Orangevale (California) | 1,429.75 mi (2,300.96 km) |
| Garland to Orchards (Washington) | 1,630.97 mi (2,624.80 km) |
| Garland to Orcutt (California) | 1,368.06 mi (2,201.68 km) |
| Garland to Oregon (Ohio) | 942.17 mi (1,516.27 km) |
| Garland to Oregon (Wisconsin) | 795.89 mi (1,280.86 km) |
| Garland to Oregon City (Oregon) | 1,624.24 mi (2,613.97 km) |
| Garland to Orem (Utah) | 977.33 mi (1,572.86 km) |
| Garland to Orinda (California) | 1,474.35 mi (2,372.73 km) |
| Garland to Orland Park (Illinois) | 769.58 mi (1,238.52 km) |
| Garland to Orlando (Florida) | 957.76 mi (1,541.36 km) |
| Garland to Ormond Beach (Florida) | 950.94 mi (1,530.39 km) |
| Garland to Oro Valley (Arizona) | 834.50 mi (1,342.99 km) |
| Garland to Oroville (California) | 1,457.15 mi (2,345.05 km) |
| Garland to Oshkosh (Wisconsin) | 882.16 mi (1,419.70 km) |
| Garland to Oskaloosa (Iowa) | 619.29 mi (996.66 km) |
