| Hoeilaart to Oberriet | 331.78 mi (533.95 km) |
| Hoeilaart to Obersiggenthal | 284.99 mi (458.65 km) |
| Hoeilaart to Oberwil | 264.53 mi (425.72 km) |
| Hoeilaart to Oberwingert | 296.93 mi (477.87 km) |
| Hoeilaart to Oftringen | 284.95 mi (458.58 km) |
| Hoeilaart to Olten | 282.58 mi (454.77 km) |
| Hoeilaart to Onex | 325.38 mi (523.64 km) |
| Hoeilaart to Opfikon | 295.62 mi (475.75 km) |
| Hoeilaart to Ostermundigen | 296.99 mi (477.96 km) |
| Hoeilaart to Payerne | 295.07 mi (474.87 km) |
| Hoeilaart to Pfaffikon | 305.46 mi (491.58 km) |
| Hoeilaart to Plan-les-Ouates | 326.67 mi (525.73 km) |
| Hoeilaart to Pratteln | 267.86 mi (431.08 km) |
| Hoeilaart to Prilly | 308.25 mi (496.08 km) |
| Hoeilaart to Pully | 310.31 mi (499.40 km) |
