| Ottaviano to Trim | 1,320.17 mi (2,124.62 km) |
| Ottaviano to Tuam | 1,391.02 mi (2,238.64 km) |
| Ottaviano to Tullamore | 1,334.31 mi (2,147.36 km) |
| Ottaviano to Waterford | 1,285.83 mi (2,069.34 km) |
| Ottaviano to Wexford | 1,263.88 mi (2,034.02 km) |
| Ottaviano to Wicklow | 1,272.16 mi (2,047.35 km) |
| Ottaviano to Abano Terme | 339.79 mi (546.84 km) |
| Ottaviano to Abbiategrasso | 421.06 mi (677.63 km) |
| Ottaviano to Acate | 263.67 mi (424.33 km) |
| Ottaviano to Acerra | 9.01 mi (14.50 km) |
| Ottaviano to Aci Castello | 230.41 mi (370.82 km) |
| Ottaviano to Aci Catena | 227.28 mi (365.77 km) |
| Ottaviano to Aci Sant'Antonio | 227.14 mi (365.55 km) |
| Ottaviano to Acireale | 226.42 mi (364.39 km) |
| Ottaviano to Acquaviva delle Fonti | 123.99 mi (199.55 km) |
