| Walnut to Nyon | 5,882.49 mi (9,466.96 km) |
| Walnut to Oberriet | 5,941.12 mi (9,561.31 km) |
| Walnut to Obersiggenthal | 5,892.66 mi (9,483.33 km) |
| Walnut to Oberwil | 5,868.08 mi (9,443.76 km) |
| Walnut to Oberwingert | 5,906.02 mi (9,504.82 km) |
| Walnut to Oftringen | 5,889.55 mi (9,478.31 km) |
| Walnut to Olten | 5,887.32 mi (9,474.73 km) |
| Walnut to Onex | 5,888.12 mi (9,476.01 km) |
| Walnut to Opfikon | 5,904.01 mi (9,501.58 km) |
| Walnut to Ostermundigen | 5,894.37 mi (9,486.06 km) |
| Walnut to Payerne | 5,883.49 mi (9,468.57 km) |
| Walnut to Pfaffikon | 5,914.20 mi (9,517.98 km) |
| Walnut to Plan-les-Ouates | 5,889.50 mi (9,478.23 km) |
| Walnut to Pratteln | 5,872.51 mi (9,450.90 km) |
| Walnut to Prilly | 5,886.96 mi (9,474.14 km) |
