| Tonya to Orbetello | 1,446.76 mi (2,328.34 km) |
| Tonya to Oria | 1,132.07 mi (1,821.89 km) |
| Tonya to Oristano | 1,608.60 mi (2,588.80 km) |
| Tonya to Orta Nova | 1,224.21 mi (1,970.17 km) |
| Tonya to Orte | 1,387.03 mi (2,232.21 km) |
| Tonya to Ortona | 1,285.14 mi (2,068.23 km) |
| Tonya to Orvieto | 1,399.66 mi (2,252.54 km) |
| Tonya to Orzinuovi | 1,503.74 mi (2,420.04 km) |
| Tonya to Osimo | 1,328.05 mi (2,137.29 km) |
| Tonya to Ospitaletto | 1,497.29 mi (2,409.65 km) |
| Tonya to Ostuni | 1,132.41 mi (1,822.44 km) |
| Tonya to Ottaviano | 1,292.19 mi (2,079.57 km) |
| Tonya to Ovada | 1,566.52 mi (2,521.07 km) |
| Tonya to Ozieri | 1,577.91 mi (2,539.39 km) |
| Tonya to Paceco | 1,435.40 mi (2,310.06 km) |
