| Terni to Orangevale (California) | 6,121.72 mi (9,851.96 km) |
| Terni to Orchards (Washington) | 5,745.85 mi (9,247.05 km) |
| Terni to Orcutt (California) | 6,321.08 mi (10,172.79 km) |
| Terni to Oregon (Ohio) | 4,626.78 mi (7,446.09 km) |
| Terni to Oregon (Wisconsin) | 4,810.32 mi (7,741.46 km) |
| Terni to Oregon City (Oregon) | 5,767.86 mi (9,282.48 km) |
| Terni to Orem (Utah) | 5,739.94 mi (9,237.53 km) |
| Terni to Orinda (California) | 6,196.51 mi (9,972.31 km) |
| Terni to Orland Park (Illinois) | 4,808.17 mi (7,738.00 km) |
| Terni to Orlando (Florida) | 5,104.86 mi (8,215.48 km) |
| Terni to Ormond Beach (Florida) | 5,057.49 mi (8,139.24 km) |
| Terni to Oro Valley (Arizona) | 6,145.54 mi (9,890.30 km) |
| Terni to Oroville (California) | 6,083.88 mi (9,791.06 km) |
| Terni to Oshkosh (Wisconsin) | 4,730.14 mi (7,612.42 km) |
| Terni to Oskaloosa (Iowa) | 5,010.17 mi (8,063.09 km) |
