| Caldas de Montbuy to Orbetello | 467.27 mi (752.00 km) |
| Caldas de Montbuy to Oria | 808.35 mi (1,300.92 km) |
| Caldas de Montbuy to Oristano | 356.60 mi (573.89 km) |
| Caldas de Montbuy to Orta Nova | 700.65 mi (1,127.59 km) |
| Caldas de Montbuy to Orte | 527.09 mi (848.26 km) |
| Caldas de Montbuy to Ortona | 629.58 mi (1,013.22 km) |
| Caldas de Montbuy to Orvieto | 514.30 mi (827.68 km) |
| Caldas de Montbuy to Orzinuovi | 467.80 mi (752.86 km) |
| Caldas de Montbuy to Osimo | 589.42 mi (948.58 km) |
| Caldas de Montbuy to Ospitaletto | 479.18 mi (771.16 km) |
| Caldas de Montbuy to Ostuni | 802.96 mi (1,292.23 km) |
| Caldas de Montbuy to Ottaviano | 641.29 mi (1,032.05 km) |
| Caldas de Montbuy to Ovada | 386.93 mi (622.71 km) |
| Caldas de Montbuy to Ozieri | 363.05 mi (584.27 km) |
| Caldas de Montbuy to Paceco | 605.48 mi (974.43 km) |
