| Vianden to Orangevale (California) | 5,530.01 mi (8,899.70 km) |
| Vianden to Orchards (Washington) | 5,151.52 mi (8,290.57 km) |
| Vianden to Orcutt (California) | 5,732.50 mi (9,225.57 km) |
| Vianden to Oregon (Ohio) | 4,092.13 mi (6,585.65 km) |
| Vianden to Oregon (Wisconsin) | 4,257.89 mi (6,852.42 km) |
| Vianden to Oregon City (Oregon) | 5,173.56 mi (8,326.04 km) |
| Vianden to Orem (Utah) | 5,155.83 mi (8,297.51 km) |
| Vianden to Orinda (California) | 5,604.58 mi (9,019.71 km) |
| Vianden to Orland Park (Illinois) | 4,263.35 mi (6,861.20 km) |
| Vianden to Orlando (Florida) | 4,636.08 mi (7,461.05 km) |
| Vianden to Ormond Beach (Florida) | 4,585.58 mi (7,379.78 km) |
| Vianden to Oro Valley (Arizona) | 5,573.95 mi (8,970.40 km) |
| Vianden to Oroville (California) | 5,491.56 mi (8,837.82 km) |
| Vianden to Oshkosh (Wisconsin) | 4,175.90 mi (6,720.47 km) |
| Vianden to Oskaloosa (Iowa) | 4,455.99 mi (7,171.21 km) |
