| North Druid Hills to Opole | 4,934.44 mi (7,941.21 km) |
| North Druid Hills to Orzesze | 4,983.74 mi (8,020.55 km) |
| North Druid Hills to Osowa | 4,821.22 mi (7,759.01 km) |
| North Druid Hills to Ostroda | 4,899.08 mi (7,884.31 km) |
| North Druid Hills to Ostroleka | 4,978.19 mi (8,011.63 km) |
| North Druid Hills to Ostrow Mazowiecka | 4,999.87 mi (8,046.52 km) |
| North Druid Hills to Ostrow Wielkopolski | 4,895.23 mi (7,878.11 km) |
| North Druid Hills to Ostrowiec Swietokrzyski | 5,052.74 mi (8,131.59 km) |
| North Druid Hills to Ostrzeszow | 4,907.78 mi (7,898.30 km) |
| North Druid Hills to Oswiecim | 5,005.56 mi (8,055.67 km) |
| North Druid Hills to Otwock | 5,003.26 mi (8,051.98 km) |
| North Druid Hills to Ozarow Mazowiecki | 4,982.89 mi (8,019.19 km) |
| North Druid Hills to Ozimek | 4,944.69 mi (7,957.71 km) |
| North Druid Hills to Ozorkow | 4,937.52 mi (7,946.17 km) |
| North Druid Hills to Pabianice | 4,952.65 mi (7,970.51 km) |
