| Karlovac to Odessa (Texas) | 5,829.60 mi (9,381.84 km) |
| Karlovac to Ogden (Utah) | 5,627.14 mi (9,056.00 km) |
| Karlovac to Oildale (California) | 6,169.49 mi (9,928.83 km) |
| Karlovac to Ojus (Florida) | 5,220.70 mi (8,401.91 km) |
| Karlovac to Okemos (Michigan) | 4,613.16 mi (7,424.17 km) |
| Karlovac to Oklahoma City (Oklahoma) | 5,461.47 mi (8,789.38 km) |
| Karlovac to Okmulgee (Oklahoma) | 5,397.86 mi (8,687.01 km) |
| Karlovac to Olathe (Kansas) | 5,186.86 mi (8,347.44 km) |
| Karlovac to Old Jamestown (Missouri) | 5,019.80 mi (8,078.58 km) |
| Karlovac to Oldsmar (Florida) | 5,230.99 mi (8,418.46 km) |
| Karlovac to Olean (New York) | 4,407.11 mi (7,092.56 km) |
| Karlovac to Olive Branch (Mississippi) | 5,193.42 mi (8,358.00 km) |
| Karlovac to Olivehurst (California) | 6,017.33 mi (9,683.96 km) |
| Karlovac to Olney (Maryland) | 4,479.43 mi (7,208.94 km) |
| Karlovac to Olympia (Washington) | 5,565.01 mi (8,956.02 km) |
