| Hallstahammar to Nuth | 724.74 mi (1,166.36 km) |
| Hallstahammar to Oegstgeest | 685.14 mi (1,102.62 km) |
| Hallstahammar to Oirschot | 703.53 mi (1,132.23 km) |
| Hallstahammar to Oisterwijk | 701.07 mi (1,128.26 km) |
| Hallstahammar to Oldebroek | 634.78 mi (1,021.58 km) |
| Hallstahammar to Oldenzaal | 618.60 mi (995.55 km) |
| Hallstahammar to Ommen | 618.75 mi (995.78 km) |
| Hallstahammar to Oosterend | 599.60 mi (964.96 km) |
| Hallstahammar to Oosterhout | 705.83 mi (1,135.92 km) |
| Hallstahammar to Oosterwolde | 594.84 mi (957.30 km) |
| Hallstahammar to Oostzaan | 660.76 mi (1,063.39 km) |
| Hallstahammar to Opmeer | 644.40 mi (1,037.07 km) |
| Hallstahammar to Oss | 683.02 mi (1,099.22 km) |
| Hallstahammar to Oud-Beijerland | 707.23 mi (1,138.18 km) |
| Hallstahammar to Oudenbosch | 717.00 mi (1,153.90 km) |
