| Peniche to Odessa (Texas) | 5,009.05 mi (8,061.29 km) |
| Peniche to Ogden (Utah) | 5,049.51 mi (8,126.40 km) |
| Peniche to Oildale (California) | 5,600.18 mi (9,012.61 km) |
| Peniche to Ojus (Florida) | 4,117.00 mi (6,625.67 km) |
| Peniche to Okemos (Michigan) | 3,785.20 mi (6,091.69 km) |
| Peniche to Oklahoma City (Oklahoma) | 4,639.82 mi (7,467.07 km) |
| Peniche to Okmulgee (Oklahoma) | 4,563.08 mi (7,343.56 km) |
| Peniche to Olathe (Kansas) | 4,389.46 mi (7,064.16 km) |
| Peniche to Old Jamestown (Missouri) | 4,178.81 mi (6,725.15 km) |
| Peniche to Oldsmar (Florida) | 4,171.88 mi (6,713.99 km) |
| Peniche to Olean (New York) | 3,520.28 mi (5,665.34 km) |
| Peniche to Olive Branch (Mississippi) | 4,289.76 mi (6,903.69 km) |
| Peniche to Olivehurst (California) | 5,530.09 mi (8,899.82 km) |
| Peniche to Olney (Maryland) | 3,531.50 mi (5,683.39 km) |
| Peniche to Olympia (Washington) | 5,203.13 mi (8,373.63 km) |
