| Don Benito to Orbetello | 924.47 mi (1,487.79 km) |
| Don Benito to Oria | 1,249.36 mi (2,010.65 km) |
| Don Benito to Oristano | 773.28 mi (1,244.48 km) |
| Don Benito to Orta Nova | 1,148.17 mi (1,847.80 km) |
| Don Benito to Orte | 983.83 mi (1,583.32 km) |
| Don Benito to Ortona | 1,084.91 mi (1,746.00 km) |
| Don Benito to Orvieto | 972.68 mi (1,565.38 km) |
| Don Benito to Orzinuovi | 920.95 mi (1,482.12 km) |
| Don Benito to Osimo | 1,050.14 mi (1,690.04 km) |
| Don Benito to Ospitaletto | 931.45 mi (1,499.02 km) |
| Don Benito to Ostuni | 1,246.07 mi (2,005.35 km) |
| Don Benito to Ottaviano | 1,083.51 mi (1,743.74 km) |
| Don Benito to Ovada | 842.53 mi (1,355.92 km) |
| Don Benito to Ozieri | 796.45 mi (1,281.76 km) |
| Don Benito to Paceco | 996.56 mi (1,603.82 km) |
