| West Allis to Nyon | 4,342.56 mi (6,988.67 km) |
| West Allis to Oberriet | 4,432.97 mi (7,134.17 km) |
| West Allis to Obersiggenthal | 4,377.82 mi (7,045.42 km) |
| West Allis to Oberwil | 4,348.69 mi (6,998.54 km) |
| West Allis to Oberwingert | 4,394.68 mi (7,072.55 km) |
| West Allis to Oftringen | 4,370.37 mi (7,033.43 km) |
| West Allis to Olten | 4,368.39 mi (7,030.25 km) |
| West Allis to Onex | 4,345.26 mi (6,993.02 km) |
| West Allis to Opfikon | 4,390.40 mi (7,065.67 km) |
| West Allis to Ostermundigen | 4,368.49 mi (7,030.40 km) |
| West Allis to Payerne | 4,352.56 mi (7,004.77 km) |
| West Allis to Pfaffikon | 4,401.31 mi (7,083.22 km) |
| West Allis to Plan-les-Ouates | 4,346.57 mi (6,995.13 km) |
| West Allis to Pratteln | 4,354.11 mi (7,007.26 km) |
| West Allis to Prilly | 4,350.90 mi (7,002.10 km) |
