| Cam to Opole | 879.11 mi (1,414.79 km) |
| Cam to Orzesze | 922.50 mi (1,484.62 km) |
| Cam to Osowa | 881.84 mi (1,419.18 km) |
| Cam to Ostroda | 941.11 mi (1,514.57 km) |
| Cam to Ostroleka | 1,008.87 mi (1,623.62 km) |
| Cam to Ostrow Mazowiecka | 1,024.27 mi (1,648.40 km) |
| Cam to Ostrow Wielkopolski | 861.90 mi (1,387.10 km) |
| Cam to Ostrowiec Swietokrzyski | 1,023.06 mi (1,646.45 km) |
| Cam to Ostrzeszow | 869.31 mi (1,399.02 km) |
| Cam to Oswiecim | 944.68 mi (1,520.32 km) |
| Cam to Otwock | 1,003.21 mi (1,614.51 km) |
| Cam to Ozarow Mazowiecki | 982.70 mi (1,581.51 km) |
| Cam to Ozimek | 890.97 mi (1,433.88 km) |
| Cam to Ozorkow | 921.02 mi (1,482.24 km) |
| Cam to Pabianice | 928.34 mi (1,494.01 km) |
