| Oslo to Orangevale (California) | 5,098.09 mi (8,204.58 km) |
| Oslo to Orchards (Washington) | 4,679.06 mi (7,530.23 km) |
| Oslo to Orcutt (California) | 5,324.19 mi (8,568.46 km) |
| Oslo to Oregon (Ohio) | 3,923.28 mi (6,313.91 km) |
| Oslo to Oregon (Wisconsin) | 4,031.57 mi (6,488.18 km) |
| Oslo to Oregon City (Oregon) | 4,702.29 mi (7,567.61 km) |
| Oslo to Orem (Utah) | 4,783.66 mi (7,698.56 km) |
| Oslo to Orinda (California) | 5,169.55 mi (8,319.59 km) |
| Oslo to Orland Park (Illinois) | 4,060.49 mi (6,534.72 km) |
| Oslo to Orlando (Florida) | 4,603.95 mi (7,409.34 km) |
| Oslo to Ormond Beach (Florida) | 4,548.66 mi (7,320.37 km) |
| Oslo to Oro Valley (Arizona) | 5,253.07 mi (8,454.01 km) |
| Oslo to Oroville (California) | 5,053.51 mi (8,132.84 km) |
| Oslo to Oshkosh (Wisconsin) | 3,945.80 mi (6,350.15 km) |
| Oslo to Oskaloosa (Iowa) | 4,219.12 mi (6,790.01 km) |
