| Kolno to Orbetello | 903.94 mi (1,454.75 km) |
| Kolno to Oria | 914.37 mi (1,471.54 km) |
| Kolno to Oristano | 1,123.35 mi (1,807.86 km) |
| Kolno to Orta Nova | 883.13 mi (1,421.26 km) |
| Kolno to Orte | 874.49 mi (1,407.35 km) |
| Kolno to Ortona | 839.07 mi (1,350.35 km) |
| Kolno to Orvieto | 865.12 mi (1,392.27 km) |
| Kolno to Orzinuovi | 770.98 mi (1,240.78 km) |
| Kolno to Osimo | 786.45 mi (1,265.67 km) |
| Kolno to Ospitaletto | 758.40 mi (1,220.53 km) |
| Kolno to Ostuni | 899.09 mi (1,446.95 km) |
| Kolno to Ottaviano | 934.73 mi (1,504.30 km) |
| Kolno to Ovada | 851.62 mi (1,370.55 km) |
| Kolno to Ozieri | 1,071.83 mi (1,724.95 km) |
| Kolno to Paceco | 1,155.80 mi (1,860.08 km) |
