| Holt to Nuth | 4,042.07 mi (6,505.08 km) |
| Holt to Oegstgeest | 3,945.91 mi (6,350.33 km) |
| Holt to Oirschot | 4,000.03 mi (6,437.43 km) |
| Holt to Oisterwijk | 3,993.45 mi (6,426.84 km) |
| Holt to Oldebroek | 3,989.76 mi (6,420.90 km) |
| Holt to Oldenzaal | 4,032.13 mi (6,489.08 km) |
| Holt to Ommen | 4,006.36 mi (6,447.62 km) |
| Holt to Oosterend | 3,977.01 mi (6,400.38 km) |
| Holt to Oosterhout | 3,978.60 mi (6,402.94 km) |
| Holt to Oosterwolde | 3,985.61 mi (6,414.22 km) |
| Holt to Oostzaan | 3,952.97 mi (6,361.69 km) |
| Holt to Opmeer | 3,946.52 mi (6,351.30 km) |
| Holt to Oss | 3,998.97 mi (6,435.72 km) |
| Holt to Oud-Beijerland | 3,955.68 mi (6,366.06 km) |
| Holt to Oudenbosch | 3,967.97 mi (6,385.83 km) |
