| Rogerstone to Orbetello | 919.74 mi (1,480.17 km) |
| Rogerstone to Oria | 1,246.14 mi (2,005.46 km) |
| Rogerstone to Oristano | 980.78 mi (1,578.42 km) |
| Rogerstone to Orta Nova | 1,134.55 mi (1,825.89 km) |
| Rogerstone to Orte | 959.21 mi (1,543.69 km) |
| Rogerstone to Ortona | 1,037.05 mi (1,668.97 km) |
| Rogerstone to Orvieto | 936.63 mi (1,507.35 km) |
| Rogerstone to Orzinuovi | 730.77 mi (1,176.07 km) |
| Rogerstone to Osimo | 949.74 mi (1,528.46 km) |
| Rogerstone to Ospitaletto | 729.06 mi (1,173.31 km) |
| Rogerstone to Ostuni | 1,232.95 mi (1,984.24 km) |
| Rogerstone to Ottaviano | 1,114.20 mi (1,793.13 km) |
| Rogerstone to Ovada | 720.92 mi (1,160.21 km) |
| Rogerstone to Ozieri | 952.40 mi (1,532.74 km) |
| Rogerstone to Paceco | 1,206.93 mi (1,942.37 km) |
