| Gerstetten to Novi di Modena | 261.00 mi (420.04 km) |
| Gerstetten to Novi Ligure | 273.26 mi (439.77 km) |
| Gerstetten to Nuoro | 574.87 mi (925.16 km) |
| Gerstetten to Occhiobello | 266.14 mi (428.31 km) |
| Gerstetten to Oderzo | 228.05 mi (367.01 km) |
| Gerstetten to Oggiono | 198.68 mi (319.74 km) |
| Gerstetten to Olbia | 533.03 mi (857.83 km) |
| Gerstetten to Oleggio | 218.78 mi (352.09 km) |
| Gerstetten to Olgiate Comasco | 202.31 mi (325.58 km) |
| Gerstetten to Olgiate Olona | 213.33 mi (343.33 km) |
| Gerstetten to Omegna | 204.15 mi (328.55 km) |
| Gerstetten to Opera | 226.99 mi (365.30 km) |
| Gerstetten to Oppeano | 236.01 mi (379.82 km) |
| Gerstetten to Orbassano | 275.98 mi (444.14 km) |
| Gerstetten to Orbetello | 431.07 mi (693.74 km) |
