| Colmenarejo to Orbetello | 797.58 mi (1,283.58 km) |
| Colmenarejo to Oria | 1,134.09 mi (1,825.15 km) |
| Colmenarejo to Oristano | 666.03 mi (1,071.87 km) |
| Colmenarejo to Orta Nova | 1,028.74 mi (1,655.59 km) |
| Colmenarejo to Orte | 857.38 mi (1,379.82 km) |
| Colmenarejo to Ortona | 959.75 mi (1,544.56 km) |
| Colmenarejo to Orvieto | 844.62 mi (1,359.29 km) |
| Colmenarejo to Orzinuovi | 778.99 mi (1,253.66 km) |
| Colmenarejo to Osimo | 918.82 mi (1,478.69 km) |
| Colmenarejo to Ospitaletto | 789.13 mi (1,269.98 km) |
| Colmenarejo to Ostuni | 1,129.56 mi (1,817.84 km) |
| Colmenarejo to Ottaviano | 967.10 mi (1,556.40 km) |
| Colmenarejo to Ovada | 702.00 mi (1,129.76 km) |
| Colmenarejo to Ozieri | 682.70 mi (1,098.70 km) |
| Colmenarejo to Paceco | 902.42 mi (1,452.30 km) |
