| Calheta to Orangevale (California) | 5,508.12 mi (8,864.47 km) |
| Calheta to Orchards (Washington) | 5,295.05 mi (8,521.55 km) |
| Calheta to Orcutt (California) | 5,619.14 mi (9,043.13 km) |
| Calheta to Oregon (Ohio) | 3,609.72 mi (5,809.28 km) |
| Calheta to Oregon (Wisconsin) | 3,883.22 mi (6,249.44 km) |
| Calheta to Oregon City (Oregon) | 5,310.80 mi (8,546.91 km) |
| Calheta to Orem (Utah) | 5,016.61 mi (8,073.45 km) |
| Calheta to Orinda (California) | 5,582.48 mi (8,984.13 km) |
| Calheta to Orland Park (Illinois) | 3,832.18 mi (6,167.30 km) |
| Calheta to Orlando (Florida) | 3,769.24 mi (6,066.00 km) |
| Calheta to Ormond Beach (Florida) | 3,735.31 mi (6,011.41 km) |
| Calheta to Oro Valley (Arizona) | 5,248.14 mi (8,446.06 km) |
| Calheta to Oroville (California) | 5,491.99 mi (8,838.50 km) |
| Calheta to Oshkosh (Wisconsin) | 3,823.72 mi (6,153.68 km) |
| Calheta to Oskaloosa (Iowa) | 4,075.35 mi (6,558.64 km) |
