| Castro Daire to Opole | 1,406.93 mi (2,264.23 km) |
| Castro Daire to Orzesze | 1,430.55 mi (2,302.24 km) |
| Castro Daire to Osowa | 1,528.43 mi (2,459.78 km) |
| Castro Daire to Ostroda | 1,562.26 mi (2,514.21 km) |
| Castro Daire to Ostroleka | 1,607.77 mi (2,587.45 km) |
| Castro Daire to Ostrow Mazowiecka | 1,614.86 mi (2,598.87 km) |
| Castro Daire to Ostrow Wielkopolski | 1,425.31 mi (2,293.82 km) |
| Castro Daire to Ostrowiec Swietokrzyski | 1,557.18 mi (2,506.03 km) |
| Castro Daire to Ostrzeszow | 1,424.28 mi (2,292.16 km) |
| Castro Daire to Oswiecim | 1,448.54 mi (2,331.21 km) |
| Castro Daire to Otwock | 1,574.78 mi (2,534.36 km) |
| Castro Daire to Ozarow Mazowiecki | 1,558.16 mi (2,507.61 km) |
| Castro Daire to Ozimek | 1,418.69 mi (2,283.17 km) |
| Castro Daire to Ozorkow | 1,491.69 mi (2,400.64 km) |
| Castro Daire to Pabianice | 1,488.37 mi (2,395.31 km) |
