| North Liberty to Nuth | 4,346.34 mi (6,994.77 km) |
| North Liberty to Oegstgeest | 4,247.57 mi (6,835.81 km) |
| North Liberty to Oirschot | 4,303.04 mi (6,925.08 km) |
| North Liberty to Oisterwijk | 4,296.30 mi (6,914.23 km) |
| North Liberty to Oldebroek | 4,288.50 mi (6,901.68 km) |
| North Liberty to Oldenzaal | 4,329.93 mi (6,968.34 km) |
| North Liberty to Ommen | 4,304.15 mi (6,926.85 km) |
| North Liberty to Oosterend | 4,273.46 mi (6,877.47 km) |
| North Liberty to Oosterhout | 4,281.70 mi (6,890.73 km) |
| North Liberty to Oosterwolde | 4,281.80 mi (6,890.90 km) |
| North Liberty to Oostzaan | 4,253.15 mi (6,844.78 km) |
| North Liberty to Opmeer | 4,245.62 mi (6,832.66 km) |
| North Liberty to Oss | 4,300.73 mi (6,921.35 km) |
| North Liberty to Oud-Beijerland | 4,258.77 mi (6,853.83 km) |
| North Liberty to Oudenbosch | 4,271.71 mi (6,874.65 km) |
