| Gernsbach to Novi di Modena | 293.58 mi (472.48 km) |
| Gernsbach to Novi Ligure | 277.48 mi (446.56 km) |
| Gernsbach to Nuoro | 585.66 mi (942.53 km) |
| Gernsbach to Occhiobello | 306.53 mi (493.32 km) |
| Gernsbach to Oderzo | 283.60 mi (456.40 km) |
| Gernsbach to Oggiono | 211.33 mi (340.10 km) |
| Gernsbach to Olbia | 545.13 mi (877.30 km) |
| Gernsbach to Oleggio | 219.01 mi (352.47 km) |
| Gernsbach to Olgiate Comasco | 208.02 mi (334.78 km) |
| Gernsbach to Olgiate Olona | 217.79 mi (350.50 km) |
| Gernsbach to Omegna | 199.38 mi (320.87 km) |
| Gernsbach to Opera | 237.19 mi (381.73 km) |
| Gernsbach to Oppeano | 274.29 mi (441.43 km) |
| Gernsbach to Orbassano | 262.23 mi (422.01 km) |
| Gernsbach to Orbetello | 458.47 mi (737.83 km) |
