| Dornbirn to Novi di Modena | 182.83 mi (294.24 km) |
| Dornbirn to Novi Ligure | 189.34 mi (304.71 km) |
| Dornbirn to Nuoro | 491.00 mi (790.19 km) |
| Dornbirn to Occhiobello | 193.37 mi (311.20 km) |
| Dornbirn to Oderzo | 172.41 mi (277.46 km) |
| Dornbirn to Oggiono | 114.44 mi (184.18 km) |
| Dornbirn to Olbia | 449.28 mi (723.04 km) |
| Dornbirn to Oleggio | 136.29 mi (219.34 km) |
| Dornbirn to Olgiate Comasco | 118.82 mi (191.23 km) |
| Dornbirn to Olgiate Olona | 129.92 mi (209.09 km) |
| Dornbirn to Omegna | 123.93 mi (199.44 km) |
| Dornbirn to Opera | 142.77 mi (229.77 km) |
| Dornbirn to Oppeano | 161.42 mi (259.79 km) |
| Dornbirn to Orbassano | 197.24 mi (317.42 km) |
| Dornbirn to Orbetello | 351.24 mi (565.27 km) |
