| North Decatur to Opole | 4,933.65 mi (7,939.94 km) |
| North Decatur to Orzesze | 4,982.94 mi (8,019.27 km) |
| North Decatur to Osowa | 4,820.57 mi (7,757.96 km) |
| North Decatur to Ostroda | 4,898.42 mi (7,883.24 km) |
| North Decatur to Ostroleka | 4,977.53 mi (8,010.56 km) |
| North Decatur to Ostrow Mazowiecka | 4,999.20 mi (8,045.44 km) |
| North Decatur to Ostrow Wielkopolski | 4,894.47 mi (7,876.90 km) |
| North Decatur to Ostrowiec Swietokrzyski | 5,052.00 mi (8,130.41 km) |
| North Decatur to Ostrzeszow | 4,907.01 mi (7,897.07 km) |
| North Decatur to Oswiecim | 5,004.77 mi (8,054.39 km) |
| North Decatur to Otwock | 5,002.57 mi (8,050.85 km) |
| North Decatur to Ozarow Mazowiecki | 4,982.19 mi (8,018.06 km) |
| North Decatur to Ozimek | 4,943.91 mi (7,956.45 km) |
| North Decatur to Ozorkow | 4,936.79 mi (7,944.99 km) |
| North Decatur to Pabianice | 4,951.91 mi (7,969.33 km) |
