| Montegranaro to Oria | 279.27 mi (449.44 km) |
| Montegranaro to Oristano | 347.41 mi (559.11 km) |
| Montegranaro to Orta Nova | 169.00 mi (271.97 km) |
| Montegranaro to Orte | 82.73 mi (133.14 km) |
| Montegranaro to Ortona | 72.36 mi (116.45 km) |
| Montegranaro to Orvieto | 84.81 mi (136.49 km) |
| Montegranaro to Orzinuovi | 236.32 mi (380.32 km) |
| Montegranaro to Osimo | 18.85 mi (30.33 km) |
| Montegranaro to Ospitaletto | 237.93 mi (382.90 km) |
| Montegranaro to Ostuni | 266.39 mi (428.71 km) |
| Montegranaro to Ottaviano | 170.27 mi (274.02 km) |
| Montegranaro to Ovada | 266.40 mi (428.73 km) |
| Montegranaro to Ozieri | 300.19 mi (483.11 km) |
| Montegranaro to Paceco | 367.15 mi (590.88 km) |
| Montegranaro to Pachino | 456.88 mi (735.28 km) |
