| Grenoble to Novi di Modena | 253.55 mi (408.05 km) |
| Grenoble to Novi Ligure | 152.42 mi (245.30 km) |
| Grenoble to Nuoro | 382.11 mi (614.95 km) |
| Grenoble to Occhiobello | 286.46 mi (461.02 km) |
| Grenoble to Oderzo | 330.60 mi (532.06 km) |
| Grenoble to Oggiono | 180.74 mi (290.88 km) |
| Grenoble to Olbia | 350.35 mi (563.83 km) |
| Grenoble to Oleggio | 144.32 mi (232.25 km) |
| Grenoble to Olgiate Comasco | 162.75 mi (261.92 km) |
| Grenoble to Olgiate Olona | 156.61 mi (252.05 km) |
| Grenoble to Omegna | 138.81 mi (223.39 km) |
| Grenoble to Opera | 170.51 mi (274.40 km) |
| Grenoble to Oppeano | 265.80 mi (427.76 km) |
| Grenoble to Orbassano | 89.23 mi (143.61 km) |
| Grenoble to Orbetello | 332.41 mi (534.96 km) |
