| Irving to Orangevale (California) | 1,413.06 mi (2,274.10 km) |
| Irving to Orchards (Washington) | 1,618.31 mi (2,604.42 km) |
| Irving to Orcutt (California) | 1,349.56 mi (2,171.91 km) |
| Irving to Oregon (Ohio) | 958.95 mi (1,543.27 km) |
| Irving to Oregon (Wisconsin) | 808.30 mi (1,300.83 km) |
| Irving to Oregon City (Oregon) | 1,611.35 mi (2,593.22 km) |
| Irving to Orem (Utah) | 963.50 mi (1,550.60 km) |
| Irving to Orinda (California) | 1,457.18 mi (2,345.11 km) |
| Irving to Orland Park (Illinois) | 784.19 mi (1,262.04 km) |
| Irving to Orlando (Florida) | 975.99 mi (1,570.70 km) |
| Irving to Ormond Beach (Florida) | 969.64 mi (1,560.49 km) |
| Irving to Oro Valley (Arizona) | 814.89 mi (1,311.44 km) |
| Irving to Oroville (California) | 1,440.88 mi (2,318.87 km) |
| Irving to Oshkosh (Wisconsin) | 894.46 mi (1,439.49 km) |
| Irving to Oskaloosa (Iowa) | 629.48 mi (1,013.06 km) |
