| Hercules to Nuth | 5,537.40 mi (8,911.59 km) |
| Hercules to Oegstgeest | 5,431.17 mi (8,740.63 km) |
| Hercules to Oirschot | 5,490.21 mi (8,835.65 km) |
| Hercules to Oisterwijk | 5,483.04 mi (8,824.10 km) |
| Hercules to Oldebroek | 5,455.59 mi (8,779.92 km) |
| Hercules to Oldenzaal | 5,490.06 mi (8,835.40 km) |
| Hercules to Ommen | 5,465.68 mi (8,796.16 km) |
| Hercules to Oosterend | 5,430.31 mi (8,739.24 km) |
| Hercules to Oosterhout | 5,470.47 mi (8,803.86 km) |
| Hercules to Oosterwolde | 5,436.91 mi (8,749.86 km) |
| Hercules to Oostzaan | 5,429.24 mi (8,737.52 km) |
| Hercules to Opmeer | 5,416.89 mi (8,717.64 km) |
| Hercules to Oss | 5,481.87 mi (8,822.22 km) |
| Hercules to Oud-Beijerland | 5,448.72 mi (8,768.86 km) |
| Hercules to Oudenbosch | 5,464.16 mi (8,793.72 km) |
