| Aljustrel to Nuth | 1,130.65 mi (1,819.60 km) |
| Aljustrel to Oegstgeest | 1,159.00 mi (1,865.22 km) |
| Aljustrel to Oirschot | 1,144.12 mi (1,841.28 km) |
| Aljustrel to Oisterwijk | 1,145.77 mi (1,843.94 km) |
| Aljustrel to Oldebroek | 1,210.88 mi (1,948.72 km) |
| Aljustrel to Oldenzaal | 1,232.41 mi (1,983.38 km) |
| Aljustrel to Ommen | 1,228.40 mi (1,976.92 km) |
| Aljustrel to Oosterend | 1,244.92 mi (2,003.51 km) |
| Aljustrel to Oosterhout | 1,139.66 mi (1,834.10 km) |
| Aljustrel to Oosterwolde | 1,250.11 mi (2,011.86 km) |
| Aljustrel to Oostzaan | 1,183.38 mi (1,904.47 km) |
| Aljustrel to Opmeer | 1,199.78 mi (1,930.85 km) |
| Aljustrel to Oss | 1,164.20 mi (1,873.59 km) |
| Aljustrel to Oud-Beijerland | 1,137.06 mi (1,829.92 km) |
| Aljustrel to Oudenbosch | 1,127.86 mi (1,815.12 km) |
