| Calheta to Opole | 2,162.97 mi (3,480.96 km) |
| Calheta to Orzesze | 2,184.11 mi (3,514.98 km) |
| Calheta to Osowa | 2,288.76 mi (3,683.41 km) |
| Calheta to Ostroda | 2,322.69 mi (3,738.01 km) |
| Calheta to Ostroleka | 2,367.30 mi (3,809.80 km) |
| Calheta to Ostrow Mazowiecka | 2,373.88 mi (3,820.40 km) |
| Calheta to Ostrow Wielkopolski | 2,183.96 mi (3,514.75 km) |
| Calheta to Ostrowiec Swietokrzyski | 2,311.70 mi (3,720.32 km) |
| Calheta to Ostrzeszow | 2,182.37 mi (3,512.18 km) |
| Calheta to Oswiecim | 2,201.26 mi (3,542.59 km) |
| Calheta to Otwock | 2,332.73 mi (3,754.17 km) |
| Calheta to Ozarow Mazowiecki | 2,316.54 mi (3,728.11 km) |
| Calheta to Ozimek | 2,174.55 mi (3,499.60 km) |
| Calheta to Ozorkow | 2,250.25 mi (3,621.43 km) |
| Calheta to Pabianice | 2,246.20 mi (3,614.92 km) |
