| Heilbad Heiligenstadt to Novi di Modena | 449.47 mi (723.36 km) |
| Heilbad Heiligenstadt to Novi Ligure | 461.60 mi (742.87 km) |
| Heilbad Heiligenstadt to Nuoro | 765.29 mi (1,231.62 km) |
| Heilbad Heiligenstadt to Occhiobello | 451.06 mi (725.91 km) |
| Heilbad Heiligenstadt to Oderzo | 401.42 mi (646.03 km) |
| Heilbad Heiligenstadt to Oggiono | 388.29 mi (624.89 km) |
| Heilbad Heiligenstadt to Olbia | 723.51 mi (1,164.37 km) |
| Heilbad Heiligenstadt to Oleggio | 405.17 mi (652.05 km) |
| Heilbad Heiligenstadt to Olgiate Comasco | 390.30 mi (628.12 km) |
| Heilbad Heiligenstadt to Olgiate Olona | 401.10 mi (645.51 km) |
| Heilbad Heiligenstadt to Omegna | 388.18 mi (624.71 km) |
| Heilbad Heiligenstadt to Opera | 416.40 mi (670.13 km) |
| Heilbad Heiligenstadt to Oppeano | 422.73 mi (680.32 km) |
| Heilbad Heiligenstadt to Orbassano | 456.17 mi (734.14 km) |
| Heilbad Heiligenstadt to Orbetello | 619.72 mi (997.34 km) |
