| Walnut to Nuth | 5,645.43 mi (9,085.44 km) |
| Walnut to Oegstgeest | 5,540.42 mi (8,916.45 km) |
| Walnut to Oirschot | 5,598.96 mi (9,010.66 km) |
| Walnut to Oisterwijk | 5,591.85 mi (8,999.21 km) |
| Walnut to Oldebroek | 5,569.99 mi (8,964.04 km) |
| Walnut to Oldenzaal | 5,606.85 mi (9,023.36 km) |
| Walnut to Ommen | 5,581.82 mi (8,983.07 km) |
| Walnut to Oosterend | 5,547.46 mi (8,927.78 km) |
| Walnut to Oosterhout | 5,578.54 mi (8,977.80 km) |
| Walnut to Oosterwolde | 5,554.64 mi (8,939.33 km) |
| Walnut to Oostzaan | 5,540.72 mi (8,916.92 km) |
| Walnut to Opmeer | 5,529.67 mi (8,899.15 km) |
| Walnut to Oss | 5,592.35 mi (9,000.02 km) |
| Walnut to Oud-Beijerland | 5,556.22 mi (8,941.88 km) |
| Walnut to Oudenbosch | 5,571.06 mi (8,965.75 km) |
