| Westmont to Nyon | 5,902.18 mi (9,498.65 km) |
| Westmont to Oberriet | 5,960.10 mi (9,591.86 km) |
| Westmont to Obersiggenthal | 5,911.81 mi (9,514.14 km) |
| Westmont to Oberwil | 5,887.33 mi (9,474.75 km) |
| Westmont to Oberwingert | 5,925.08 mi (9,535.50 km) |
| Westmont to Oftringen | 5,908.79 mi (9,509.27 km) |
| Westmont to Olten | 5,906.56 mi (9,505.68 km) |
| Westmont to Onex | 5,907.87 mi (9,507.80 km) |
| Westmont to Opfikon | 5,923.12 mi (9,532.35 km) |
| Westmont to Ostermundigen | 5,913.75 mi (9,517.26 km) |
| Westmont to Payerne | 5,902.99 mi (9,499.94 km) |
| Westmont to Pfaffikon | 5,933.29 mi (9,548.71 km) |
| Westmont to Plan-les-Ouates | 5,909.25 mi (9,510.02 km) |
| Westmont to Pratteln | 5,891.74 mi (9,481.85 km) |
| Westmont to Prilly | 5,906.56 mi (9,505.69 km) |
