| Harderwijk to Oberriet | 389.65 mi (627.09 km) |
| Harderwijk to Obersiggenthal | 356.40 mi (573.57 km) |
| Harderwijk to Oberwil | 345.07 mi (555.34 km) |
| Harderwijk to Oberwingert | 362.08 mi (582.70 km) |
| Harderwijk to Oftringen | 362.51 mi (583.40 km) |
| Harderwijk to Olten | 360.08 mi (579.50 km) |
| Harderwijk to Onex | 426.63 mi (686.60 km) |
| Harderwijk to Opfikon | 364.13 mi (586.01 km) |
| Harderwijk to Ostermundigen | 382.02 mi (614.80 km) |
| Harderwijk to Payerne | 386.82 mi (622.52 km) |
| Harderwijk to Pfaffikon | 371.99 mi (598.66 km) |
| Harderwijk to Plan-les-Ouates | 427.82 mi (688.50 km) |
| Harderwijk to Pratteln | 346.52 mi (557.68 km) |
| Harderwijk to Prilly | 404.30 mi (650.67 km) |
| Harderwijk to Pully | 405.78 mi (653.04 km) |
