| Azambuja to Orbetello | 1,073.74 mi (1,728.03 km) |
| Azambuja to Oria | 1,405.23 mi (2,261.50 km) |
| Azambuja to Oristano | 931.27 mi (1,498.74 km) |
| Azambuja to Orta Nova | 1,302.07 mi (2,095.48 km) |
| Azambuja to Orte | 1,133.46 mi (1,824.12 km) |
| Azambuja to Ortona | 1,235.48 mi (1,988.31 km) |
| Azambuja to Orvieto | 1,121.15 mi (1,804.31 km) |
| Azambuja to Orzinuovi | 1,053.30 mi (1,695.12 km) |
| Azambuja to Osimo | 1,195.98 mi (1,924.74 km) |
| Azambuja to Ospitaletto | 1,063.07 mi (1,710.85 km) |
| Azambuja to Ostuni | 1,401.41 mi (2,255.35 km) |
| Azambuja to Ottaviano | 1,238.76 mi (1,993.59 km) |
| Azambuja to Ovada | 977.54 mi (1,573.20 km) |
| Azambuja to Ozieri | 952.37 mi (1,532.68 km) |
| Azambuja to Paceco | 1,157.40 mi (1,862.66 km) |
