| Donauworth to Novi di Modena | 263.05 mi (423.34 km) |
| Donauworth to Novi Ligure | 288.48 mi (464.27 km) |
| Donauworth to Nuoro | 583.69 mi (939.36 km) |
| Donauworth to Occhiobello | 263.66 mi (424.32 km) |
| Donauworth to Oderzo | 216.75 mi (348.83 km) |
| Donauworth to Oggiono | 212.68 mi (342.28 km) |
| Donauworth to Olbia | 541.51 mi (871.48 km) |
| Donauworth to Oleggio | 237.13 mi (381.62 km) |
| Donauworth to Olgiate Comasco | 219.09 mi (352.59 km) |
| Donauworth to Olgiate Olona | 230.20 mi (370.48 km) |
| Donauworth to Omegna | 224.90 mi (361.95 km) |
| Donauworth to Opera | 240.97 mi (387.80 km) |
| Donauworth to Oppeano | 235.61 mi (379.18 km) |
| Donauworth to Orbassano | 298.04 mi (479.65 km) |
| Donauworth to Orbetello | 433.02 mi (696.88 km) |
