| Cerklje na Gorenjskem to Oakley (California) | 6,014.70 mi (9,679.73 km) |
| Cerklje na Gorenjskem to Oakton (Virginia) | 4,429.28 mi (7,128.23 km) |
| Cerklje na Gorenjskem to Oakville (Missouri) | 4,967.45 mi (7,994.33 km) |
| Cerklje na Gorenjskem to Oatfield (Oregon) | 5,586.49 mi (8,990.58 km) |
| Cerklje na Gorenjskem to Ocala (Florida) | 5,085.09 mi (8,183.67 km) |
| Cerklje na Gorenjskem to Ocean Acres (New Jersey) | 4,266.68 mi (6,866.56 km) |
| Cerklje na Gorenjskem to Ocean City (New Jersey) | 4,300.51 mi (6,921.00 km) |
| Cerklje na Gorenjskem to Ocean Pines (Maryland) | 4,361.72 mi (7,019.51 km) |
| Cerklje na Gorenjskem to Ocean Pointe (Hawaii) | 7,745.14 mi (12,464.59 km) |
| Cerklje na Gorenjskem to Ocean Springs (Mississippi) | 5,304.91 mi (8,537.43 km) |
| Cerklje na Gorenjskem to Oceanside (California) | 6,177.77 mi (9,942.17 km) |
| Cerklje na Gorenjskem to Oceanside (New York) | 4,202.05 mi (6,762.55 km) |
| Cerklje na Gorenjskem to Ocoee (Florida) | 5,087.16 mi (8,186.99 km) |
| Cerklje na Gorenjskem to Oconomowoc (Wisconsin) | 4,674.68 mi (7,523.17 km) |
| Cerklje na Gorenjskem to Odenton (Maryland) | 4,396.32 mi (7,075.19 km) |
