| Glyka Nera to Novi di Modena | 821.24 mi (1,321.65 km) |
| Glyka Nera to Novi Ligure | 908.09 mi (1,461.44 km) |
| Glyka Nera to Nuoro | 793.14 mi (1,276.43 km) |
| Glyka Nera to Occhiobello | 794.00 mi (1,277.83 km) |
| Glyka Nera to Oderzo | 792.79 mi (1,275.87 km) |
| Glyka Nera to Oggiono | 917.44 mi (1,476.48 km) |
| Glyka Nera to Olbia | 790.67 mi (1,272.46 km) |
| Glyka Nera to Oleggio | 941.23 mi (1,514.76 km) |
| Glyka Nera to Olgiate Comasco | 933.38 mi (1,502.13 km) |
| Glyka Nera to Olgiate Olona | 931.76 mi (1,499.52 km) |
| Glyka Nera to Omegna | 960.06 mi (1,545.06 km) |
| Glyka Nera to Opera | 909.25 mi (1,463.30 km) |
| Glyka Nera to Oppeano | 824.53 mi (1,326.95 km) |
| Glyka Nera to Orbassano | 970.74 mi (1,562.26 km) |
| Glyka Nera to Orbetello | 733.10 mi (1,179.82 km) |
