| Gabrovo to Novi di Modena | 731.23 mi (1,176.81 km) |
| Gabrovo to Novi Ligure | 833.83 mi (1,341.92 km) |
| Gabrovo to Nuoro | 843.97 mi (1,358.24 km) |
| Gabrovo to Occhiobello | 698.37 mi (1,123.92 km) |
| Gabrovo to Oderzo | 665.00 mi (1,070.21 km) |
| Gabrovo to Oggiono | 813.79 mi (1,309.67 km) |
| Gabrovo to Olbia | 824.16 mi (1,326.35 km) |
| Gabrovo to Oleggio | 846.35 mi (1,362.07 km) |
| Gabrovo to Olgiate Comasco | 832.06 mi (1,339.08 km) |
| Gabrovo to Olgiate Olona | 834.65 mi (1,343.24 km) |
| Gabrovo to Omegna | 859.66 mi (1,383.50 km) |
| Gabrovo to Opera | 816.53 mi (1,314.08 km) |
| Gabrovo to Oppeano | 721.09 mi (1,160.49 km) |
| Gabrovo to Orbassano | 895.82 mi (1,441.69 km) |
| Gabrovo to Orbetello | 717.33 mi (1,154.43 km) |
