| Karlovac to Oakley (California) | 6,086.89 mi (9,795.90 km) |
| Karlovac to Oakton (Virginia) | 4,500.28 mi (7,242.50 km) |
| Karlovac to Oakville (Missouri) | 5,040.29 mi (8,111.57 km) |
| Karlovac to Oatfield (Oregon) | 5,657.44 mi (9,104.77 km) |
| Karlovac to Ocala (Florida) | 5,154.20 mi (8,294.88 km) |
| Karlovac to Ocean Acres (New Jersey) | 4,337.37 mi (6,980.32 km) |
| Karlovac to Ocean City (New Jersey) | 4,371.11 mi (7,034.62 km) |
| Karlovac to Ocean Pines (Maryland) | 4,432.14 mi (7,132.85 km) |
| Karlovac to Ocean Pointe (Hawaii) | 7,803.88 mi (12,559.14 km) |
| Karlovac to Ocean Springs (Mississippi) | 5,376.00 mi (8,651.84 km) |
| Karlovac to Oceanside (California) | 6,251.01 mi (10,060.03 km) |
| Karlovac to Oceanside (New York) | 4,272.90 mi (6,876.57 km) |
| Karlovac to Ocoee (Florida) | 5,155.88 mi (8,297.59 km) |
| Karlovac to Oconomowoc (Wisconsin) | 4,747.92 mi (7,641.04 km) |
| Karlovac to Odenton (Maryland) | 4,467.26 mi (7,189.36 km) |
