| Den Helder to Oberriet | 442.63 mi (712.35 km) |
| Den Helder to Obersiggenthal | 407.48 mi (655.77 km) |
| Den Helder to Oberwil | 394.38 mi (634.70 km) |
| Den Helder to Oberwingert | 414.10 mi (666.43 km) |
| Den Helder to Oftringen | 412.54 mi (663.92 km) |
| Den Helder to Olten | 410.11 mi (660.01 km) |
| Den Helder to Onex | 470.27 mi (756.82 km) |
| Den Helder to Opfikon | 415.69 mi (668.99 km) |
| Den Helder to Ostermundigen | 430.56 mi (692.92 km) |
| Den Helder to Payerne | 433.60 mi (697.81 km) |
| Den Helder to Pfaffikon | 423.88 mi (682.17 km) |
| Den Helder to Plan-les-Ouates | 471.50 mi (758.81 km) |
| Den Helder to Pratteln | 396.23 mi (637.67 km) |
| Den Helder to Prilly | 449.81 mi (723.90 km) |
| Den Helder to Pully | 451.49 mi (726.60 km) |
