| Groslay to Oberriet | 352.18 mi (566.77 km) |
| Groslay to Obersiggenthal | 292.57 mi (470.85 km) |
| Groslay to Oberwil | 260.35 mi (419.00 km) |
| Groslay to Oberwingert | 312.41 mi (502.78 km) |
| Groslay to Oftringen | 281.50 mi (453.03 km) |
| Groslay to Olten | 279.78 mi (450.27 km) |
| Groslay to Onex | 260.99 mi (420.03 km) |
| Groslay to Opfikon | 305.83 mi (492.19 km) |
| Groslay to Ostermundigen | 276.23 mi (444.54 km) |
| Groslay to Payerne | 260.04 mi (418.50 km) |
| Groslay to Pfaffikon | 316.95 mi (510.09 km) |
| Groslay to Plan-les-Ouates | 262.38 mi (422.26 km) |
| Groslay to Pratteln | 266.43 mi (428.78 km) |
| Groslay to Prilly | 260.32 mi (418.95 km) |
| Groslay to Pully | 263.44 mi (423.97 km) |
