| Cacem to Opole | 1,556.34 mi (2,504.68 km) |
| Cacem to Orzesze | 1,577.76 mi (2,539.16 km) |
| Cacem to Osowa | 1,686.45 mi (2,714.07 km) |
| Cacem to Ostroda | 1,718.08 mi (2,764.98 km) |
| Cacem to Ostroleka | 1,761.35 mi (2,834.62 km) |
| Cacem to Ostrow Mazowiecka | 1,767.64 mi (2,844.75 km) |
| Cacem to Ostrow Wielkopolski | 1,577.62 mi (2,538.94 km) |
| Cacem to Ostrowiec Swietokrzyski | 1,705.22 mi (2,744.29 km) |
| Cacem to Ostrzeszow | 1,575.87 mi (2,536.13 km) |
| Cacem to Oswiecim | 1,595.08 mi (2,567.03 km) |
| Cacem to Otwock | 1,726.19 mi (2,778.04 km) |
| Cacem to Ozarow Mazowiecki | 1,710.09 mi (2,752.12 km) |
| Cacem to Ozimek | 1,567.92 mi (2,523.33 km) |
| Cacem to Ozorkow | 1,643.87 mi (2,645.56 km) |
| Cacem to Pabianice | 1,639.66 mi (2,638.77 km) |
