| The Woodlands to Nuth | 5,084.80 mi (8,183.19 km) |
| The Woodlands to Oegstgeest | 4,990.60 mi (8,031.59 km) |
| The Woodlands to Oirschot | 5,043.73 mi (8,117.09 km) |
| The Woodlands to Oisterwijk | 5,037.27 mi (8,106.70 km) |
| The Woodlands to Oldebroek | 5,036.12 mi (8,104.84 km) |
| The Woodlands to Oldenzaal | 5,078.93 mi (8,173.75 km) |
| The Woodlands to Ommen | 5,053.22 mi (8,132.37 km) |
| The Woodlands to Oosterend | 5,024.61 mi (8,086.33 km) |
| The Woodlands to Oosterhout | 5,022.28 mi (8,082.58 km) |
| The Woodlands to Oosterwolde | 5,033.33 mi (8,100.36 km) |
| The Woodlands to Oostzaan | 4,998.55 mi (8,044.39 km) |
| The Woodlands to Opmeer | 4,992.74 mi (8,035.04 km) |
| The Woodlands to Oss | 5,043.49 mi (8,116.71 km) |
| The Woodlands to Oud-Beijerland | 4,999.42 mi (8,045.79 km) |
| The Woodlands to Oudenbosch | 5,011.23 mi (8,064.80 km) |
