| Peniche to Orangevale (California) | 5,535.50 mi (8,908.52 km) |
| Peniche to Orchards (Washington) | 5,253.97 mi (8,455.44 km) |
| Peniche to Orcutt (California) | 5,684.12 mi (9,147.71 km) |
| Peniche to Oregon (Ohio) | 3,768.87 mi (6,065.41 km) |
| Peniche to Oregon (Wisconsin) | 4,007.38 mi (6,449.25 km) |
| Peniche to Oregon City (Oregon) | 5,272.50 mi (8,485.27 km) |
| Peniche to Orem (Utah) | 5,077.94 mi (8,172.16 km) |
| Peniche to Orinda (California) | 5,611.59 mi (9,030.98 km) |
| Peniche to Orland Park (Illinois) | 3,977.32 mi (6,400.88 km) |
| Peniche to Orlando (Florida) | 4,087.27 mi (6,577.82 km) |
| Peniche to Ormond Beach (Florida) | 4,045.94 mi (6,511.31 km) |
| Peniche to Oro Valley (Arizona) | 5,386.61 mi (8,668.90 km) |
| Peniche to Oroville (California) | 5,510.42 mi (8,868.16 km) |
| Peniche to Oshkosh (Wisconsin) | 3,937.22 mi (6,336.35 km) |
| Peniche to Oskaloosa (Iowa) | 4,207.19 mi (6,770.82 km) |
