| Carterton to Opole | 845.81 mi (1,361.21 km) |
| Carterton to Orzesze | 889.29 mi (1,431.17 km) |
| Carterton to Osowa | 849.38 mi (1,366.94 km) |
| Carterton to Ostroda | 908.25 mi (1,461.69 km) |
| Carterton to Ostroleka | 975.79 mi (1,570.38 km) |
| Carterton to Ostrow Mazowiecka | 991.11 mi (1,595.04 km) |
| Carterton to Ostrow Wielkopolski | 828.53 mi (1,333.38 km) |
| Carterton to Ostrowiec Swietokrzyski | 989.68 mi (1,592.74 km) |
| Carterton to Ostrzeszow | 835.93 mi (1,345.30 km) |
| Carterton to Oswiecim | 911.48 mi (1,466.88 km) |
| Carterton to Otwock | 969.90 mi (1,560.91 km) |
| Carterton to Ozarow Mazowiecki | 949.40 mi (1,527.92 km) |
| Carterton to Ozimek | 857.67 mi (1,380.29 km) |
| Carterton to Ozorkow | 887.67 mi (1,428.57 km) |
| Carterton to Pabianice | 894.96 mi (1,440.30 km) |
