| Ponte de Lima to Orbetello | 1,012.71 mi (1,629.80 km) |
| Ponte de Lima to Oria | 1,360.97 mi (2,190.27 km) |
| Ponte de Lima to Oristano | 904.56 mi (1,455.75 km) |
| Ponte de Lima to Orta Nova | 1,251.58 mi (2,014.22 km) |
| Ponte de Lima to Orte | 1,072.27 mi (1,725.65 km) |
| Ponte de Lima to Ortona | 1,175.28 mi (1,891.43 km) |
| Ponte de Lima to Orvieto | 1,057.03 mi (1,701.12 km) |
| Ponte de Lima to Orzinuovi | 956.93 mi (1,540.03 km) |
| Ponte de Lima to Osimo | 1,123.93 mi (1,808.79 km) |
| Ponte de Lima to Ospitaletto | 965.28 mi (1,553.47 km) |
| Ponte de Lima to Ostuni | 1,355.06 mi (2,180.75 km) |
| Ponte de Lima to Ottaviano | 1,194.11 mi (1,921.73 km) |
| Ponte de Lima to Ovada | 887.54 mi (1,428.35 km) |
| Ponte de Lima to Ozieri | 915.78 mi (1,473.81 km) |
| Ponte de Lima to Paceco | 1,146.66 mi (1,845.37 km) |
