| Del Aire to Nuth | 5,667.70 mi (9,121.29 km) |
| Del Aire to Oegstgeest | 5,562.60 mi (8,952.14 km) |
| Del Aire to Oirschot | 5,621.19 mi (9,046.43 km) |
| Del Aire to Oisterwijk | 5,614.07 mi (9,034.97 km) |
| Del Aire to Oldebroek | 5,591.88 mi (8,999.26 km) |
| Del Aire to Oldenzaal | 5,628.60 mi (9,058.36 km) |
| Del Aire to Ommen | 5,603.60 mi (9,018.12 km) |
| Del Aire to Oosterend | 5,569.17 mi (8,962.72 km) |
| Del Aire to Oosterhout | 5,600.80 mi (9,013.62 km) |
| Del Aire to Oosterwolde | 5,576.32 mi (8,974.22 km) |
| Del Aire to Oostzaan | 5,562.77 mi (8,952.41 km) |
| Del Aire to Opmeer | 5,551.64 mi (8,934.51 km) |
| Del Aire to Oss | 5,614.47 mi (9,035.62 km) |
| Del Aire to Oud-Beijerland | 5,578.51 mi (8,977.75 km) |
| Del Aire to Oudenbosch | 5,593.39 mi (9,001.68 km) |
