| Petrila to Odessa (Texas) | 6,106.72 mi (9,827.81 km) |
| Petrila to Ogden (Utah) | 5,845.46 mi (9,407.35 km) |
| Petrila to Oildale (California) | 6,377.14 mi (10,263.02 km) |
| Petrila to Ojus (Florida) | 5,567.02 mi (8,959.25 km) |
| Petrila to Okemos (Michigan) | 4,906.09 mi (7,895.59 km) |
| Petrila to Oklahoma City (Oklahoma) | 5,743.00 mi (9,242.46 km) |
| Petrila to Okmulgee (Oklahoma) | 5,683.23 mi (9,146.28 km) |
| Petrila to Olathe (Kansas) | 5,465.84 mi (8,796.41 km) |
| Petrila to Old Jamestown (Missouri) | 5,310.85 mi (8,546.99 km) |
| Petrila to Oldsmar (Florida) | 5,568.09 mi (8,960.98 km) |
| Petrila to Olean (New York) | 4,715.15 mi (7,588.30 km) |
| Petrila to Olive Branch (Mississippi) | 5,496.90 mi (8,846.40 km) |
| Petrila to Olivehurst (California) | 6,205.41 mi (9,986.64 km) |
| Petrila to Olney (Maryland) | 4,799.38 mi (7,723.85 km) |
| Petrila to Olympia (Washington) | 5,727.29 mi (9,217.18 km) |
