| Vitoria-Gasteiz to Orangevale (California) | 5,615.45 mi (9,037.20 km) |
| Vitoria-Gasteiz to Orchards (Washington) | 5,292.52 mi (8,517.49 km) |
| Vitoria-Gasteiz to Orcutt (California) | 5,786.69 mi (9,312.77 km) |
| Vitoria-Gasteiz to Oregon (Ohio) | 3,959.92 mi (6,372.88 km) |
| Vitoria-Gasteiz to Oregon (Wisconsin) | 4,172.91 mi (6,715.66 km) |
| Vitoria-Gasteiz to Oregon City (Oregon) | 5,312.64 mi (8,549.87 km) |
| Vitoria-Gasteiz to Orem (Utah) | 5,186.74 mi (8,347.26 km) |
| Vitoria-Gasteiz to Orinda (California) | 5,691.61 mi (9,159.76 km) |
| Vitoria-Gasteiz to Orland Park (Illinois) | 4,156.27 mi (6,688.86 km) |
| Vitoria-Gasteiz to Orlando (Florida) | 4,365.91 mi (7,026.26 km) |
| Vitoria-Gasteiz to Ormond Beach (Florida) | 4,320.93 mi (6,953.86 km) |
| Vitoria-Gasteiz to Oro Valley (Arizona) | 5,540.67 mi (8,916.84 km) |
| Vitoria-Gasteiz to Oroville (California) | 5,584.83 mi (8,987.92 km) |
| Vitoria-Gasteiz to Oshkosh (Wisconsin) | 4,097.40 mi (6,594.13 km) |
| Vitoria-Gasteiz to Oskaloosa (Iowa) | 4,374.14 mi (7,039.50 km) |
