| Penrith to Odessa (Texas) | 4,806.95 mi (7,736.04 km) |
| Penrith to Ogden (Utah) | 4,613.03 mi (7,423.96 km) |
| Penrith to Oildale (California) | 5,159.59 mi (8,303.56 km) |
| Penrith to Ojus (Florida) | 4,279.43 mi (6,887.07 km) |
| Penrith to Okemos (Michigan) | 3,596.45 mi (5,787.92 km) |
| Penrith to Oklahoma City (Oklahoma) | 4,440.00 mi (7,145.49 km) |
| Penrith to Okmulgee (Oklahoma) | 4,377.82 mi (7,045.42 km) |
| Penrith to Olathe (Kansas) | 4,164.44 mi (6,702.02 km) |
| Penrith to Old Jamestown (Missouri) | 4,002.25 mi (6,441.00 km) |
| Penrith to Oldsmar (Florida) | 4,267.94 mi (6,868.59 km) |
| Penrith to Olean (New York) | 3,402.01 mi (5,475.00 km) |
| Penrith to Olive Branch (Mississippi) | 4,184.32 mi (6,734.02 km) |
| Penrith to Olivehurst (California) | 5,020.63 mi (8,079.93 km) |
| Penrith to Olney (Maryland) | 3,488.30 mi (5,613.87 km) |
| Penrith to Olympia (Washington) | 4,593.08 mi (7,391.86 km) |
