| Tondela to Orbetello | 1,005.43 mi (1,618.08 km) |
| Tondela to Oria | 1,346.12 mi (2,166.37 km) |
| Tondela to Oristano | 879.54 mi (1,415.49 km) |
| Tondela to Orta Nova | 1,239.60 mi (1,994.94 km) |
| Tondela to Orte | 1,065.27 mi (1,714.39 km) |
| Tondela to Ortona | 1,168.08 mi (1,879.85 km) |
| Tondela to Orvieto | 1,051.52 mi (1,692.27 km) |
| Tondela to Orzinuovi | 968.92 mi (1,559.33 km) |
| Tondela to Osimo | 1,122.86 mi (1,807.07 km) |
| Tondela to Ospitaletto | 978.13 mi (1,574.15 km) |
| Tondela to Ostuni | 1,341.24 mi (2,158.52 km) |
| Tondela to Ottaviano | 1,179.02 mi (1,897.45 km) |
| Tondela to Ovada | 895.62 mi (1,441.37 km) |
| Tondela to Ozieri | 895.63 mi (1,441.38 km) |
| Tondela to Paceco | 1,115.14 mi (1,794.64 km) |
