| Petrovec to Odessa (Texas) | 6,217.88 mi (10,006.71 km) |
| Petrovec to Ogden (Utah) | 6,001.42 mi (9,658.35 km) |
| Petrovec to Oildale (California) | 6,540.36 mi (10,525.70 km) |
| Petrovec to Ojus (Florida) | 5,598.18 mi (9,009.41 km) |
| Petrovec to Okemos (Michigan) | 5,002.41 mi (8,050.59 km) |
| Petrovec to Oklahoma City (Oklahoma) | 5,850.11 mi (9,414.84 km) |
| Petrovec to Okmulgee (Oklahoma) | 5,786.80 mi (9,312.95 km) |
| Petrovec to Olathe (Kansas) | 5,575.19 mi (8,972.41 km) |
| Petrovec to Old Jamestown (Missouri) | 5,409.00 mi (8,704.94 km) |
| Petrovec to Oldsmar (Florida) | 5,613.10 mi (9,033.41 km) |
| Petrovec to Olean (New York) | 4,796.10 mi (7,718.57 km) |
| Petrovec to Olive Branch (Mississippi) | 5,582.58 mi (8,984.30 km) |
| Petrovec to Olivehurst (California) | 6,380.28 mi (10,268.07 km) |
| Petrovec to Olney (Maryland) | 4,866.91 mi (7,832.53 km) |
| Petrovec to Olympia (Washington) | 5,915.73 mi (9,520.45 km) |
