| Torres Vedras to Orbetello | 1,093.67 mi (1,760.10 km) |
| Torres Vedras to Oria | 1,425.93 mi (2,294.81 km) |
| Torres Vedras to Oristano | 952.28 mi (1,532.54 km) |
| Torres Vedras to Orta Nova | 1,322.52 mi (2,128.40 km) |
| Torres Vedras to Orte | 1,153.41 mi (1,856.24 km) |
| Torres Vedras to Ortona | 1,255.53 mi (2,020.58 km) |
| Torres Vedras to Orvieto | 1,140.97 mi (1,836.21 km) |
| Torres Vedras to Orzinuovi | 1,071.22 mi (1,723.96 km) |
| Torres Vedras to Osimo | 1,215.46 mi (1,956.09 km) |
| Torres Vedras to Ospitaletto | 1,080.90 mi (1,739.54 km) |
| Torres Vedras to Ostuni | 1,422.04 mi (2,288.55 km) |
| Torres Vedras to Ottaviano | 1,259.39 mi (2,026.79 km) |
| Torres Vedras to Ovada | 995.82 mi (1,602.62 km) |
| Torres Vedras to Ozieri | 973.12 mi (1,566.08 km) |
| Torres Vedras to Paceco | 1,178.76 mi (1,897.03 km) |
