| Wallingford Center to Nuth | 3,639.11 mi (5,856.58 km) |
| Wallingford Center to Oegstgeest | 3,550.36 mi (5,713.76 km) |
| Wallingford Center to Oirschot | 3,600.58 mi (5,794.57 km) |
| Wallingford Center to Oisterwijk | 3,594.46 mi (5,784.73 km) |
| Wallingford Center to Oldebroek | 3,600.28 mi (5,794.09 km) |
| Wallingford Center to Oldenzaal | 3,644.17 mi (5,864.73 km) |
| Wallingford Center to Ommen | 3,618.82 mi (5,823.93 km) |
| Wallingford Center to Oosterend | 3,592.94 mi (5,782.28 km) |
| Wallingford Center to Oosterhout | 3,579.25 mi (5,760.25 km) |
| Wallingford Center to Oosterwolde | 3,602.00 mi (5,796.86 km) |
| Wallingford Center to Oostzaan | 3,560.73 mi (5,730.43 km) |
| Wallingford Center to Opmeer | 3,556.85 mi (5,724.20 km) |
| Wallingford Center to Oss | 3,602.42 mi (5,797.54 km) |
| Wallingford Center to Oud-Beijerland | 3,556.69 mi (5,723.94 km) |
| Wallingford Center to Oudenbosch | 3,567.28 mi (5,740.98 km) |
