| Irving to Oakley (California) | 1,431.86 mi (2,304.36 km) |
| Irving to Oakton (Virginia) | 1,174.41 mi (1,890.02 km) |
| Irving to Oakville (Missouri) | 536.86 mi (863.99 km) |
| Irving to Oatfield (Oregon) | 1,613.37 mi (2,596.47 km) |
| Irving to Ocala (Florida) | 912.66 mi (1,468.78 km) |
| Irving to Ocean Acres (New Jersey) | 1,345.42 mi (2,165.25 km) |
| Irving to Ocean City (New Jersey) | 1,321.29 mi (2,126.41 km) |
| Irving to Ocean Pines (Maryland) | 1,280.13 mi (2,060.17 km) |
| Irving to Ocean Pointe (Hawaii) | 3,788.87 mi (6,097.60 km) |
| Irving to Ocean Springs (Mississippi) | 510.17 mi (821.03 km) |
| Irving to Oceanside (California) | 1,176.38 mi (1,893.20 km) |
| Irving to Oceanside (New York) | 1,393.65 mi (2,242.87 km) |
| Irving to Ocoee (Florida) | 962.30 mi (1,548.67 km) |
| Irving to Oconomowoc (Wisconsin) | 843.81 mi (1,357.98 km) |
| Irving to Odenton (Maryland) | 1,209.09 mi (1,945.84 km) |
