| Rethymno to Oria | 514.13 mi (827.41 km) |
| Rethymno to Oristano | 922.22 mi (1,484.18 km) |
| Rethymno to Orta Nova | 627.98 mi (1,010.64 km) |
| Rethymno to Orte | 812.50 mi (1,307.59 km) |
| Rethymno to Ortona | 724.60 mi (1,166.14 km) |
| Rethymno to Orvieto | 834.00 mi (1,342.20 km) |
| Rethymno to Orzinuovi | 1,029.52 mi (1,656.85 km) |
| Rethymno to Osimo | 810.08 mi (1,303.70 km) |
| Rethymno to Ospitaletto | 1,030.70 mi (1,658.75 km) |
| Rethymno to Ostuni | 526.85 mi (847.89 km) |
| Rethymno to Ottaviano | 661.69 mi (1,064.89 km) |
| Rethymno to Ovada | 1,051.35 mi (1,691.99 km) |
| Rethymno to Ozieri | 914.77 mi (1,472.17 km) |
| Rethymno to Paceco | 684.45 mi (1,101.51 km) |
| Rethymno to Pachino | 531.68 mi (855.66 km) |
