| Tartu to Novi di Modena | 1,146.54 mi (1,845.18 km) |
| Tartu to Novi Ligure | 1,208.29 mi (1,944.55 km) |
| Tartu to Nuoro | 1,463.50 mi (2,355.28 km) |
| Tartu to Occhiobello | 1,128.42 mi (1,816.01 km) |
| Tartu to Oderzo | 1,055.00 mi (1,697.86 km) |
| Tartu to Oggiono | 1,134.01 mi (1,825.02 km) |
| Tartu to Olbia | 1,422.40 mi (2,289.13 km) |
| Tartu to Oleggio | 1,163.82 mi (1,872.98 km) |
| Tartu to Olgiate Comasco | 1,144.30 mi (1,841.58 km) |
| Tartu to Olgiate Olona | 1,155.15 mi (1,859.03 km) |
| Tartu to Omegna | 1,154.18 mi (1,857.48 km) |
| Tartu to Opera | 1,160.64 mi (1,867.87 km) |
| Tartu to Oppeano | 1,115.33 mi (1,794.96 km) |
| Tartu to Orbassano | 1,227.66 mi (1,975.72 km) |
| Tartu to Orbetello | 1,289.05 mi (2,074.52 km) |
