| Cities | Distance |
|---|---|
| Tulcea to Orbetello | 895.28 mi (1,440.82 km) |
| Tulcea to Oria | 651.08 mi (1,047.81 km) |
| Tulcea to Oristano | 1,087.99 mi (1,750.95 km) |
| Tulcea to Orta Nova | 709.46 mi (1,141.77 km) |
| Tulcea to Orte | 838.06 mi (1,348.72 km) |
| Tulcea to Ortona | 743.64 mi (1,196.78 km) |
| Tulcea to Orvieto | 845.90 mi (1,361.34 km) |
| Tulcea to Orzinuovi | 915.01 mi (1,472.57 km) |
| Tulcea to Osimo | 764.86 mi (1,230.93 km) |
| Tulcea to Ospitaletto | 907.23 mi (1,460.05 km) |
| Tulcea to Ostuni | 644.53 mi (1,037.27 km) |
| Tulcea to Ottaviano | 781.79 mi (1,258.17 km) |
| Tulcea to Ovada | 984.27 mi (1,584.03 km) |
| Tulcea to Ozieri | 1,048.35 mi (1,687.15 km) |
| Tulcea to Paceco | 973.62 mi (1,566.90 km) |