| Walnut Park to Nyon | 5,898.07 mi (9,492.03 km) |
| Walnut Park to Oberriet | 5,956.10 mi (9,585.42 km) |
| Walnut Park to Obersiggenthal | 5,907.78 mi (9,507.66 km) |
| Walnut Park to Oberwil | 5,883.29 mi (9,468.24 km) |
| Walnut Park to Oberwingert | 5,921.07 mi (9,529.04 km) |
| Walnut Park to Oftringen | 5,904.74 mi (9,502.77 km) |
| Walnut Park to Olten | 5,902.52 mi (9,499.18 km) |
| Walnut Park to Onex | 5,903.75 mi (9,501.16 km) |
| Walnut Park to Opfikon | 5,919.10 mi (9,525.88 km) |
| Walnut Park to Ostermundigen | 5,909.68 mi (9,510.72 km) |
| Walnut Park to Payerne | 5,898.91 mi (9,493.37 km) |
| Walnut Park to Pfaffikon | 5,929.28 mi (9,542.25 km) |
| Walnut Park to Plan-les-Ouates | 5,905.13 mi (9,503.39 km) |
| Walnut Park to Pratteln | 5,887.71 mi (9,475.35 km) |
| Walnut Park to Prilly | 5,902.46 mi (9,499.10 km) |
