| Welver to Orangevale (California) | 5,486.62 mi (8,829.87 km) |
| Welver to Orchards (Washington) | 5,097.91 mi (8,204.29 km) |
| Welver to Orcutt (California) | 5,694.94 mi (9,165.12 km) |
| Welver to Oregon (Ohio) | 4,101.05 mi (6,600.01 km) |
| Welver to Oregon (Wisconsin) | 4,255.77 mi (6,849.00 km) |
| Welver to Oregon City (Oregon) | 5,120.27 mi (8,240.28 km) |
| Welver to Orem (Utah) | 5,125.19 mi (8,248.20 km) |
| Welver to Orinda (California) | 5,560.61 mi (8,948.94 km) |
| Welver to Orland Park (Illinois) | 4,266.01 mi (6,865.48 km) |
| Welver to Orlando (Florida) | 4,673.27 mi (7,520.90 km) |
| Welver to Ormond Beach (Florida) | 4,621.72 mi (7,437.93 km) |
| Welver to Oro Valley (Arizona) | 5,555.48 mi (8,940.68 km) |
| Welver to Oroville (California) | 5,446.67 mi (8,765.58 km) |
| Welver to Oshkosh (Wisconsin) | 4,172.75 mi (6,715.39 km) |
| Welver to Oskaloosa (Iowa) | 4,452.31 mi (7,165.30 km) |
