| Echelon to Nyon | 3,938.28 mi (6,338.05 km) |
| Echelon to Oberriet | 4,051.92 mi (6,520.94 km) |
| Echelon to Obersiggenthal | 3,993.22 mi (6,426.47 km) |
| Echelon to Oberwil | 3,961.36 mi (6,375.19 km) |
| Echelon to Oberwingert | 4,012.36 mi (6,457.26 km) |
| Echelon to Oftringen | 3,982.48 mi (6,409.19 km) |
| Echelon to Olten | 3,980.78 mi (6,406.45 km) |
| Echelon to Onex | 3,938.41 mi (6,338.27 km) |
| Echelon to Opfikon | 4,006.38 mi (6,447.65 km) |
| Echelon to Ostermundigen | 3,975.15 mi (6,397.39 km) |
| Echelon to Payerne | 3,955.55 mi (6,365.84 km) |
| Echelon to Pfaffikon | 4,017.51 mi (6,465.55 km) |
| Echelon to Plan-les-Ouates | 3,939.63 mi (6,340.22 km) |
| Echelon to Pratteln | 3,967.39 mi (6,384.90 km) |
| Echelon to Prilly | 3,949.64 mi (6,356.33 km) |
