| Diest to Orangevale (California) | 5,441.63 mi (8,757.45 km) |
| Diest to Orchards (Washington) | 5,062.86 mi (8,147.89 km) |
| Diest to Orcutt (California) | 5,644.51 mi (9,083.96 km) |
| Diest to Oregon (Ohio) | 4,012.47 mi (6,457.44 km) |
| Diest to Oregon (Wisconsin) | 4,175.40 mi (6,719.66 km) |
| Diest to Oregon City (Oregon) | 5,084.91 mi (8,183.36 km) |
| Diest to Orem (Utah) | 5,068.48 mi (8,156.92 km) |
| Diest to Orinda (California) | 5,516.17 mi (8,877.42 km) |
| Diest to Orland Park (Illinois) | 4,182.03 mi (6,730.33 km) |
| Diest to Orlando (Florida) | 4,566.26 mi (7,348.68 km) |
| Diest to Ormond Beach (Florida) | 4,515.32 mi (7,266.71 km) |
| Diest to Oro Valley (Arizona) | 5,488.32 mi (8,832.60 km) |
| Diest to Oroville (California) | 5,403.10 mi (8,695.45 km) |
| Diest to Oshkosh (Wisconsin) | 4,093.16 mi (6,587.30 km) |
| Diest to Oskaloosa (Iowa) | 4,373.16 mi (7,037.93 km) |
