| Federal Heights to Nuth | 4,908.29 mi (7,899.12 km) |
| Federal Heights to Oegstgeest | 4,805.38 mi (7,733.51 km) |
| Federal Heights to Oirschot | 4,862.93 mi (7,826.13 km) |
| Federal Heights to Oisterwijk | 4,855.93 mi (7,814.87 km) |
| Federal Heights to Oldebroek | 4,840.03 mi (7,789.28 km) |
| Federal Heights to Oldenzaal | 4,879.10 mi (7,852.15 km) |
| Federal Heights to Ommen | 4,853.59 mi (7,811.09 km) |
| Federal Heights to Oosterend | 4,820.62 mi (7,758.04 km) |
| Federal Heights to Oosterhout | 4,842.00 mi (7,792.44 km) |
| Federal Heights to Oosterwolde | 4,828.35 mi (7,770.48 km) |
| Federal Heights to Oostzaan | 4,807.95 mi (7,737.66 km) |
| Federal Heights to Opmeer | 4,798.36 mi (7,722.22 km) |
| Federal Heights to Oss | 4,858.13 mi (7,818.41 km) |
| Federal Heights to Oud-Beijerland | 4,819.29 mi (7,755.90 km) |
| Federal Heights to Oudenbosch | 4,833.39 mi (7,778.60 km) |
