| Harelbeke to Oberriet | 373.81 mi (601.58 km) |
| Harelbeke to Obersiggenthal | 323.58 mi (520.76 km) |
| Harelbeke to Oberwil | 299.98 mi (482.77 km) |
| Harelbeke to Oberwingert | 337.40 mi (542.99 km) |
| Harelbeke to Oftringen | 321.15 mi (516.84 km) |
| Harelbeke to Olten | 318.87 mi (513.17 km) |
| Harelbeke to Onex | 347.11 mi (558.62 km) |
| Harelbeke to Opfikon | 335.00 mi (539.13 km) |
| Harelbeke to Ostermundigen | 329.50 mi (530.28 km) |
| Harelbeke to Payerne | 323.98 mi (521.39 km) |
| Harelbeke to Pfaffikon | 345.30 mi (555.71 km) |
| Harelbeke to Plan-les-Ouates | 348.47 mi (560.80 km) |
| Harelbeke to Pratteln | 304.03 mi (489.29 km) |
| Harelbeke to Prilly | 334.14 mi (537.74 km) |
| Harelbeke to Pully | 336.54 mi (541.61 km) |
