| Skien to Oakley (California) | 5,165.70 mi (8,313.39 km) |
| Skien to Oakton (Virginia) | 3,859.76 mi (6,211.68 km) |
| Skien to Oakville (Missouri) | 4,301.99 mi (6,923.38 km) |
| Skien to Oatfield (Oregon) | 4,715.28 mi (7,588.50 km) |
| Skien to Ocala (Florida) | 4,565.48 mi (7,347.42 km) |
| Skien to Ocean Acres (New Jersey) | 3,712.82 mi (5,975.21 km) |
| Skien to Ocean City (New Jersey) | 3,749.11 mi (6,033.60 km) |
| Skien to Ocean Pines (Maryland) | 3,815.14 mi (6,139.88 km) |
| Skien to Ocean Pointe (Hawaii) | 6,828.48 mi (10,989.38 km) |
| Skien to Ocean Springs (Mississippi) | 4,714.69 mi (7,587.56 km) |
| Skien to Oceanside (California) | 5,365.45 mi (8,634.86 km) |
| Skien to Oceanside (New York) | 3,643.74 mi (5,864.03 km) |
| Skien to Ocoee (Florida) | 4,578.83 mi (7,368.92 km) |
| Skien to Oconomowoc (Wisconsin) | 3,985.42 mi (6,413.92 km) |
| Skien to Odenton (Maryland) | 3,829.92 mi (6,163.67 km) |
