| Olbia to Amelia | 188.00 mi (302.56 km) |
| Olbia to Anagni | 198.17 mi (318.93 km) |
| Olbia to Ancona | 277.40 mi (446.43 km) |
| Olbia to Andria | 354.74 mi (570.91 km) |
| Olbia to Angri | 265.17 mi (426.75 km) |
| Olbia to Anguillara Sabazia | 164.29 mi (264.40 km) |
| Olbia to Anzio | 166.74 mi (268.35 km) |
| Olbia to Anzola dell'Emilia | 265.18 mi (426.76 km) |
| Olbia to Aosta | 350.38 mi (563.89 km) |
| Olbia to Apricena | 313.27 mi (504.16 km) |
| Olbia to Aprilia | 169.98 mi (273.56 km) |
| Olbia to Aradeo | 456.44 mi (734.58 km) |
| Olbia to Aragona | 328.03 mi (527.91 km) |
| Olbia to Arco | 352.36 mi (567.06 km) |
| Olbia to Arcola | 222.03 mi (357.33 km) |
