| Knic to Orangevale (California) | 6,254.58 mi (10,065.77 km) |
| Knic to Orchards (Washington) | 5,849.14 mi (9,413.28 km) |
| Knic to Orcutt (California) | 6,470.61 mi (10,413.44 km) |
| Knic to Oregon (Ohio) | 4,889.51 mi (7,868.91 km) |
| Knic to Oregon (Wisconsin) | 5,049.24 mi (8,125.97 km) |
| Knic to Oregon City (Oregon) | 5,872.06 mi (9,450.17 km) |
| Knic to Orem (Utah) | 5,909.20 mi (9,509.93 km) |
| Knic to Orinda (California) | 6,327.51 mi (10,183.15 km) |
| Knic to Orland Park (Illinois) | 5,057.89 mi (8,139.88 km) |
| Knic to Orlando (Florida) | 5,427.36 mi (8,734.49 km) |
| Knic to Ormond Beach (Florida) | 5,377.72 mi (8,654.61 km) |
| Knic to Oro Valley (Arizona) | 6,347.42 mi (10,215.19 km) |
| Knic to Oroville (California) | 6,212.40 mi (9,997.89 km) |
| Knic to Oshkosh (Wisconsin) | 4,966.44 mi (7,992.72 km) |
| Knic to Oskaloosa (Iowa) | 5,246.14 mi (8,442.85 km) |
