| Calheta to Oakley (California) | 5,556.36 mi (8,942.09 km) |
| Calheta to Oakton (Virginia) | 3,335.94 mi (5,368.68 km) |
| Calheta to Oakville (Missouri) | 4,020.58 mi (6,470.50 km) |
| Calheta to Oatfield (Oregon) | 5,308.16 mi (8,542.66 km) |
| Calheta to Ocala (Florida) | 3,797.33 mi (6,111.21 km) |
| Calheta to Ocean Acres (New Jersey) | 3,166.13 mi (5,095.40 km) |
| Calheta to Ocean City (New Jersey) | 3,188.83 mi (5,131.92 km) |
| Calheta to Ocean Pines (Maryland) | 3,229.44 mi (5,197.28 km) |
| Calheta to Ocean Pointe (Hawaii) | 7,896.78 mi (12,708.64 km) |
| Calheta to Ocean Springs (Mississippi) | 4,134.57 mi (6,653.94 km) |
| Calheta to Oceanside (California) | 5,532.92 mi (8,904.37 km) |
| Calheta to Oceanside (New York) | 3,122.62 mi (5,025.37 km) |
| Calheta to Ocoee (Florida) | 3,777.70 mi (6,079.62 km) |
| Calheta to Oconomowoc (Wisconsin) | 3,836.46 mi (6,174.19 km) |
| Calheta to Odenton (Maryland) | 3,301.47 mi (5,313.19 km) |
