| Zachary to Nyon | 5,041.87 mi (8,114.11 km) |
| Zachary to Oberriet | 5,151.14 mi (8,289.96 km) |
| Zachary to Obersiggenthal | 5,093.09 mi (8,196.53 km) |
| Zachary to Oberwil | 5,061.73 mi (8,146.08 km) |
| Zachary to Oberwingert | 5,111.76 mi (8,226.58 km) |
| Zachary to Oftringen | 5,083.03 mi (8,180.35 km) |
| Zachary to Olten | 5,081.27 mi (8,177.52 km) |
| Zachary to Onex | 5,042.43 mi (8,115.01 km) |
| Zachary to Opfikon | 5,106.15 mi (8,217.56 km) |
| Zachary to Ostermundigen | 5,076.81 mi (8,170.33 km) |
| Zachary to Payerne | 5,057.87 mi (8,139.85 km) |
| Zachary to Pfaffikon | 5,117.25 mi (8,235.42 km) |
| Zachary to Plan-les-Ouates | 5,043.66 mi (8,116.99 km) |
| Zachary to Pratteln | 5,067.65 mi (8,155.60 km) |
| Zachary to Prilly | 5,052.73 mi (8,131.58 km) |
