| Tabua to Orbetello | 1,005.33 mi (1,617.92 km) |
| Tabua to Oria | 1,344.92 mi (2,164.44 km) |
| Tabua to Oristano | 877.27 mi (1,411.83 km) |
| Tabua to Orta Nova | 1,238.80 mi (1,993.65 km) |
| Tabua to Orte | 1,065.18 mi (1,714.23 km) |
| Tabua to Ortona | 1,167.91 mi (1,879.57 km) |
| Tabua to Orvieto | 1,051.62 mi (1,692.42 km) |
| Tabua to Orzinuovi | 971.22 mi (1,563.03 km) |
| Tabua to Osimo | 1,123.47 mi (1,808.05 km) |
| Tabua to Ospitaletto | 980.53 mi (1,578.01 km) |
| Tabua to Ostuni | 1,340.17 mi (2,156.80 km) |
| Tabua to Ottaviano | 1,177.86 mi (1,895.58 km) |
| Tabua to Ovada | 897.50 mi (1,444.38 km) |
| Tabua to Ozieri | 893.97 mi (1,438.71 km) |
| Tabua to Paceco | 1,111.90 mi (1,789.43 km) |
