| Piedmont to Nyon | 5,801.92 mi (9,337.28 km) |
| Piedmont to Oberriet | 5,846.27 mi (9,408.66 km) |
| Piedmont to Obersiggenthal | 5,801.21 mi (9,336.14 km) |
| Piedmont to Oberwil | 5,778.84 mi (9,300.14 km) |
| Piedmont to Oberwingert | 5,812.94 mi (9,355.02 km) |
| Piedmont to Oftringen | 5,799.94 mi (9,334.09 km) |
| Piedmont to Olten | 5,797.63 mi (9,330.39 km) |
| Piedmont to Onex | 5,808.77 mi (9,348.31 km) |
| Piedmont to Opfikon | 5,811.89 mi (9,353.33 km) |
| Piedmont to Ostermundigen | 5,807.52 mi (9,346.31 km) |
| Piedmont to Payerne | 5,798.96 mi (9,332.53 km) |
| Piedmont to Pfaffikon | 5,821.65 mi (9,369.04 km) |
| Piedmont to Plan-les-Ouates | 5,810.16 mi (9,350.55 km) |
| Piedmont to Pratteln | 5,782.80 mi (9,306.52 km) |
| Piedmont to Prilly | 5,804.61 mi (9,341.62 km) |
