| Grottaglie to Novi di Modena | 447.75 mi (720.59 km) |
| Grottaglie to Novi Ligure | 527.19 mi (848.42 km) |
| Grottaglie to Nuoro | 426.15 mi (685.83 km) |
| Grottaglie to Occhiobello | 424.22 mi (682.72 km) |
| Grottaglie to Oderzo | 439.64 mi (707.54 km) |
| Grottaglie to Oggiono | 544.99 mi (877.07 km) |
| Grottaglie to Olbia | 416.11 mi (669.66 km) |
| Grottaglie to Oleggio | 564.99 mi (909.27 km) |
| Grottaglie to Olgiate Comasco | 559.52 mi (900.45 km) |
| Grottaglie to Olgiate Olona | 556.52 mi (895.64 km) |
| Grottaglie to Omegna | 585.05 mi (941.54 km) |
| Grottaglie to Opera | 533.30 mi (858.26 km) |
| Grottaglie to Oppeano | 456.32 mi (734.38 km) |
| Grottaglie to Orbassano | 588.86 mi (947.69 km) |
| Grottaglie to Orbetello | 347.76 mi (559.67 km) |
