| North Druid Hills to Nuth | 4,458.26 mi (7,174.88 km) |
| North Druid Hills to Oegstgeest | 4,368.77 mi (7,030.85 km) |
| North Druid Hills to Oirschot | 4,419.41 mi (7,112.35 km) |
| North Druid Hills to Oisterwijk | 4,413.25 mi (7,102.43 km) |
| North Druid Hills to Oldebroek | 4,418.04 mi (7,110.14 km) |
| North Druid Hills to Oldenzaal | 4,461.79 mi (7,180.55 km) |
| North Druid Hills to Ommen | 4,436.36 mi (7,139.62 km) |
| North Druid Hills to Oosterend | 4,409.97 mi (7,097.16 km) |
| North Druid Hills to Oosterhout | 4,398.06 mi (7,077.99 km) |
| North Druid Hills to Oosterwolde | 4,418.97 mi (7,111.65 km) |
| North Druid Hills to Oostzaan | 4,378.77 mi (7,046.96 km) |
| North Druid Hills to Opmeer | 4,374.58 mi (7,040.21 km) |
| North Druid Hills to Oss | 4,420.98 mi (7,114.88 km) |
| North Druid Hills to Oud-Beijerland | 4,375.44 mi (7,041.60 km) |
| North Druid Hills to Oudenbosch | 4,386.19 mi (7,058.90 km) |
