| Sudbury to Opole | 792.09 mi (1,274.75 km) |
| Sudbury to Orzesze | 835.06 mi (1,343.90 km) |
| Sudbury to Osowa | 803.67 mi (1,293.38 km) |
| Sudbury to Ostroda | 860.57 mi (1,384.95 km) |
| Sudbury to Ostroleka | 926.77 mi (1,491.49 km) |
| Sudbury to Ostrow Mazowiecka | 941.59 mi (1,515.34 km) |
| Sudbury to Ostrow Wielkopolski | 776.36 mi (1,249.43 km) |
| Sudbury to Ostrowiec Swietokrzyski | 936.97 mi (1,507.92 km) |
| Sudbury to Ostrzeszow | 783.37 mi (1,260.71 km) |
| Sudbury to Oswiecim | 857.21 mi (1,379.55 km) |
| Sudbury to Otwock | 919.05 mi (1,479.06 km) |
| Sudbury to Ozarow Mazowiecki | 898.67 mi (1,446.27 km) |
| Sudbury to Ozimek | 804.01 mi (1,293.93 km) |
| Sudbury to Ozorkow | 836.29 mi (1,345.87 km) |
| Sudbury to Pabianice | 843.03 mi (1,356.72 km) |
